Textile Calculation: Finding the Length and Weight of Yarn in a Given Length of Cloth

Finding the Length, Hanks, and Weight of Yarn in a Given Length of Cloth

This calculation is used in weaving to find how much weft yarn is required to produce a cloth of a given width, length, and number of picks per inch.

In simple terms, it answers the question:

If I weave this much fabric, how many yards, hanks, or pounds of weft yarn will I consume?

1. What Is Being Calculated?

In woven fabric, there are two main sets of yarns:

Yarn Direction	Meaning
Warp	Lengthwise yarns running along the length of the fabric
Weft	Crosswise yarns inserted across the width of the fabric

This rule is mainly concerned with the weft yarn.

For example, if a fabric is 30 inches wide and has 60 picks per inch, it means that in every one inch length of cloth, there are 60 weft threads, and each weft thread runs across 30 inches of width.

Therefore, the weft yarn required for one inch length of cloth is:

\(30 \times 60 = 1800 \text{ inches of yarn}\)

This means that for every inch of cloth length, the loom consumes 1800 inches of weft yarn.

2. Main Rule

The basic rule is:

\[ \text{Yards of weft yarn in 1 yard of cloth} = \text{Width in inches} \times \text{Picks per inch} \]

In symbolic form:

\[ L = W \times P \]

Where:

• \(L\) = yards of weft yarn in one yard of cloth
• \(W\) = width of cloth in inches
• \(P\) = picks per inch

3. Example: Length of Yarn in One Yard of Cloth

Suppose:

• Width of cloth = 30 inches
• Picks per inch = 60

\[ 30 \times 60 = 1800 \]

Therefore:

One yard of cloth requires 1800 yards of weft yarn.

This may appear surprising at first, but it is correct. Each pick travels across the full width of the cloth, and there are many picks in every inch of cloth length.

4. Example: Length of Yarn in 50 Yards of Cloth

If one yard of cloth requires 1800 yards of weft yarn, then 50 yards of cloth will require:

\[ 1800 \times 50 = 90{,}000 \]

Therefore:

50 yards of cloth require 90,000 yards of weft yarn.

The general formula becomes:

\[ \text{Total yards of yarn} = W \times P \times Y \]

Where:

• \(W\) = width in inches
• \(P\) = picks per inch
• \(Y\) = length of cloth in yards

5. Converting Yarn Length into Hanks

After finding the total yarn length, it can be converted into hanks. Different yarn count systems use different hank lengths.

Yarn System	One Hank Equals
Cotton	840 yards
Worsted	560 yards
Linen	300 yards
Woollen	Varies according to the count system

The formula for hanks is:

\[ \text{Number of hanks} = \frac{\text{Total yards of yarn}}{\text{Yards per hank}} \]

6. Example: Converting 90,000 Yards into Worsted Hanks

For worsted yarn:

\[ 1 \text{ hank} = 560 \text{ yards} \]

Therefore:

\[ \frac{90{,}000}{560} = 160.71 \]

So:

90,000 yards = approximately 160.71 worsted hanks.

7. Example: Converting 90,000 Yards into Cotton Hanks

For cotton yarn:

\[ 1 \text{ hank} = 840 \text{ yards} \]

Therefore:

\[ \frac{90{,}000}{840} = 107.14 \]

So:

90,000 yards = approximately 107.14 cotton hanks.

8. Finding the Weight of Yarn

Once the number of hanks is known, the weight can be found using the yarn count.

In indirect count systems, such as cotton count or worsted count:

\[ \text{Count} = \frac{\text{Number of hanks}}{\text{Weight in pounds}} \]

Therefore:

\[ \text{Weight in pounds} = \frac{\text{Number of hanks}}{\text{Count}} \]

9. Example: Weight of 20s Worsted Yarn

We have already found:

\[ 160.71 \text{ worsted hanks} \]

If the yarn count is 20s:

\[ \frac{160.71}{20} = 8.035 \]

Therefore:

The weight of 20s worsted yarn required is approximately 8.04 lb.

10. Example: Weight of 20s Cotton Yarn

We have already found:

\[ 107.14 \text{ cotton hanks} \]

If the yarn count is 20s:

\[ \frac{107.14}{20} = 5.357 \]

Therefore:

The weight of 20s cotton yarn required is approximately 5.36 lb.

11. Complete Formula Set

Let:

• \(I\) = width of cloth in inches
• \(P\) = picks per inch
• \(Y\) = length of cloth in yards
• \(N\) = yards per hank
• \(C\) = yarn count

Total Yarn Length

\[ \text{Total yarn length in yards} = I \times P \times Y \]

Number of Hanks

\[ \text{Hanks} = \frac{I \times P \times Y}{N} \]

Weight of Yarn

\[ \text{Weight} = \frac{I \times P \times Y}{N \times C} \]

12. Practical Example in One Table

Suppose the following details are known:

Item	Value
Cloth width	30 inches
Picks per inch	60
Cloth length	50 yards
Yarn count	20s
Cotton hank length	840 yards
Worsted hank length	560 yards

Step-by-Step Calculation

Calculation	Cotton	Worsted
Total yarn length	90,000 yards	90,000 yards
Hanks	\(90{,}000 / 840 = 107.14\)	\(90{,}000 / 560 = 160.71\)
Weight for 20s yarn	\(107.14 / 20 = 5.36\) lb	\(160.71 / 20 = 8.04\) lb

Therefore, for the same cloth:

• If the yarn is 20s cotton, the required weight is about 5.36 lb.
• If the yarn is 20s worsted, the required weight is about 8.04 lb.

The difference arises because cotton and worsted systems define hank length differently.

13. Important Limitation: No Allowance for Shrinkage or Waste

The formula gives the theoretical yarn requirement. It does not include practical allowances such as:

• weaving waste,
• loom waste,
• selvedge waste,
• shrinkage,
• crimp,
• take-up,
• pattern effect,
• difference between reed width and finished width,
• yarn contraction,
• processing loss.

In actual weaving, the real yarn requirement will usually be higher than the theoretical value.

For example, if the theoretical requirement is 90,000 yards and a 5% allowance is added:

\[ 90{,}000 \times 1.05 = 94{,}500 \]

Therefore, the practical yarn requirement becomes:

94,500 yards

Similarly, for weight:

\[ 5.36 \times 1.05 = 5.63 \text{ lb} \]

So the practical cotton yarn requirement becomes approximately:

5.63 lb

14. Why No Fixed Allowance Is Given

A fixed wastage percentage cannot be applied universally because wastage and shrinkage depend on many variables.

Factor	Effect
Yarn type	Cotton, wool, silk, and synthetic yarns behave differently
Yarn twist	High-twist yarn may contract differently
Fabric structure	Plain, twill, satin, dobby, and jacquard structures consume yarn differently
Picks per inch	Higher picks may increase crimp and take-up
Loom type	Handloom, powerloom, rapier, air-jet, and shuttle looms differ
Width in reed vs finished width	Fabric may contract after weaving
Finishing process	Washing, dyeing, calendaring, mercerising, and sanforising affect dimensions
Selvedge construction	Extra yarn may be consumed at the edges

The best practical method is:

First calculate the theoretical yarn requirement, then add an allowance based on experience with that yarn, loom, fabric structure, and finishing route.

15. Difference Between Warp and Weft Calculation

For warp, the usual calculation is:

\[ \text{Total warp length} = \text{Number of ends} \times \text{Length of warp} \]

This is because warp threads run lengthwise.

But for weft, the yarn runs across the width of the cloth. Therefore, we calculate:

\[ \text{Total weft length} = \text{Width} \times \text{Picks per inch} \times \text{Length} \]

Warp Calculation	Weft Calculation
Based on total number of ends	Based on picks per inch
Threads run along fabric length	Threads run across fabric width
Length of each warp end is known	Length of each pick equals cloth width
Formula uses ends × length	Formula uses width × picks × length

16. Practical Use in Weaving and Merchandising

This calculation is useful for:

• estimating weft yarn consumption,
• costing fabric,
• planning yarn purchase,
• using up leftover yarn lots,
• deciding how many metres or yards can be woven from available yarn,
• checking whether a given yarn stock is enough for production,
• comparing fabric constructions,
• estimating fabric weight,
• planning small batch weaving.

17. Rearranged Formulae

The main formula is:

\[ \text{Weight} = \frac{I \times P \times Y}{N \times C} \]

From this, the formula can be rearranged depending on what needs to be found.

A. To Find Picks per Inch

\[ P = \frac{\text{Weight} \times N \times C}{I \times Y} \]

Use this when the available yarn weight, yarn count, cloth width, and cloth length are known, and the required picks per inch are to be found.

B. To Find Cloth Length

\[ Y = \frac{\text{Weight} \times N \times C}{I \times P} \]

Use this when the available yarn weight, yarn count, cloth width, and picks per inch are known, and the possible cloth length is to be found.

C. To Find Cloth Width

\[ I = \frac{\text{Weight} \times N \times C}{P \times Y} \]

Use this when the available yarn weight, yarn count, picks per inch, and required length are known, and the possible cloth width is to be found.

D. To Find Yarn Count

\[ C = \frac{I \times P \times Y}{N \times \text{Weight}} \]

Use this when the target yarn weight, width, picks per inch, and cloth length are known, and the required yarn count is to be found.

18. Practical Example: How Much Cloth Can Be Woven from Available Yarn?

Suppose:

Item	Value
Available cotton yarn	6 lb
Count	20s cotton
Width	30 inches
Picks per inch	60
Cotton hank length	840 yards

Formula:

\[ Y = \frac{\text{Weight} \times N \times C}{I \times P} \]

Substituting the values:

\[ Y = \frac{6 \times 840 \times 20}{30 \times 60} \]

\[ Y = \frac{100{,}800}{1800} \]

\[ Y = 56 \]

Therefore:

6 lb of 20s cotton yarn can theoretically weave 56 yards of cloth.

If a 5% allowance for waste and shrinkage is added, the practical cloth length will be slightly lower:

\[ 56 \div 1.05 = 53.33 \]

So practically, the weaver may expect about:

53 yards of cloth

19. Essence of the Calculation

To calculate the weft yarn required in a fabric, multiply:

\[ \text{Width} \times \text{Picks per inch} \times \text{Length} \]

This gives the total length of weft yarn. Then convert it into hanks using the hank length for that yarn system. Finally, divide by count to get weight.

Key Formula

\[ \boxed{ \text{Weight} = \frac{ \text{Width in inches} \times \text{Picks per inch} \times \text{Length in yards} }{ \text{Yards per hank} \times \text{Count} } } \]

Practical Note

\[ \boxed{ \text{Actual yarn required} = \text{Theoretical yarn required} + \text{Allowance for waste, shrinkage, and take-up} } \]

In weaving practice, the theoretical calculation should always be adjusted based on experience with the yarn, loom, fabric construction, and finishing process.

Conclusion

This rule is a simple but powerful textile calculation. It connects the geometry of woven cloth with yarn count systems and practical production planning. By knowing the width of the fabric, picks per inch, cloth length, yarn count, and hank length, a weaver or fabric planner can estimate the weft yarn required for production.

However, the calculation should not be treated as the final practical requirement. It gives the theoretical consumption. In actual weaving, shrinkage, crimp, take-up, loom waste, selvedge loss, and finishing effects must also be considered.

Buy my books at Amazon.com

Why You Can’t Make the Same Fabric “Just a Little Finer”

Altering Fabric Weight, Fineness, and Coarseness

In woven cloth, the final character of the fabric depends on several connected factors. These include the yarn count, the number of ends per inch, the number of picks per inch, and the weave or pattern used in the cloth.

The important point is this: you cannot change only one property of a fabric without affecting the others. If the weight, fineness, yarn count, thread density, or weave structure is changed, the character of the fabric will also change in some way.

Technical Note:
A woven fabric is not merely a collection of yarns. It is a balanced structure in which warp, weft, yarn thickness, thread spacing, and weave interlacement work together.

1. Main Factors That Decide Fabric Character

The character of a fabric is mainly controlled by four constructional factors:

Factor	Meaning	Effect on Fabric
Yarn count	Fineness or coarseness of warp and weft yarns	Affects weight, handle, cover, strength, and appearance
Ends per inch (EPI)	Number of warp threads per inch	Controls warp density, cover, compactness, and firmness
Picks per inch (PPI)	Number of weft threads per inch	Controls weft density, surface feel, warmth, and compactness
Weave or pattern	Plain weave, twill, satin, basket weave, rib, etc.	Controls interlacement, surface effect, flexibility, drape, and texture

These four factors are interdependent. If one is changed, the others usually require adjustment. A cloth cannot be made heavier, lighter, finer, or coarser in isolation while keeping everything else exactly the same.

2. Altering Cloth Weight While Keeping the Same Character

When we say that a cloth is to be made heavier or lighter while retaining the same character, we mean that the basic structure and appearance should remain similar.

For example, suppose we have a cotton drill fabric and the buyer says:

“Make the same drill fabric, but heavier.”

The designer cannot simply add more weight without disturbing the structure. To increase weight while maintaining the same type of fabric, both the yarn count and thread density must be adjusted.

A heavier fabric generally requires coarser yarns, suitable adjustment in EPI and PPI, maintenance of the same relative balance between warp and weft, and preservation of the original weave character.

Similarly, if the fabric is made lighter, it will usually become finer. This means finer yarns and lower total material per square yard or square metre.

Practical Note:
If more weight is obtained while preserving the same structure, the cloth generally becomes coarser. If less weight is obtained, the cloth generally becomes finer. But the basic character of the fabric should still remain recognizable.

For example, a heavier twill should still look and behave like a twill. A lighter poplin should still retain the basic poplin character.

3. Why “The Same Fabric, but a Little Finer” Is Not Fully Possible

There is a very practical example. A buyer may say:

“I want exactly the same thing, but a little finer.”

Technically, this is not fully possible. If the cloth is made finer, at least one fabric variable must change. The fabric weight may change, the yarn count may change, the EPI or PPI may change, the warp-weft balance may change, or the weave structure may change.

Therefore, the fabric cannot remain exactly the same and also become finer. At best, the designer can create a fabric that gives the appearance of greater fineness while keeping the weight nearly the same. But even then, some structural adjustment is involved.

4. Fineness Can Be Increased Without Much Change in Weight

Sometimes a fabric can be made to appear finer without reducing its weight in any major way. This is usually done by changing the relation between warp and weft.

For example, the designer may use a finer weft yarn with more picks per inch, or a finer warp yarn with more ends per inch. Another method is to make the cloth closer in one direction so that it appears smoother, denser, and more refined.

This may even improve the fabric. If increased fineness is obtained while maintaining weight, the fabric may become closer, more compact, warmer, and better covered. This is especially useful in clothing fabrics where warmth and compactness are desirable.

5. Difference Between Weight, Fineness, Coarseness, Compactness, and Cover

It is useful to distinguish between these related but different fabric properties.

Property	Meaning	How It Is Usually Changed
Weight	Mass of fabric per unit area	By changing yarn thickness, EPI, PPI, or weave
Fineness	Delicacy or refinement of fabric surface	By using finer yarns, closer setting, or smoother structure
Coarseness	Heavier, thicker, rougher, or more open character	By using coarser yarns or different thread spacing
Compactness	Closeness of yarn arrangement	By increasing EPI or PPI
Cover	How well yarns hide gaps in the fabric	By increasing yarn diameter or thread density

A fabric may be heavy but fine-looking, or light but coarse-looking, depending on how the yarns and structure are arranged.

For example, a fine wool suiting may be heavy but smooth in appearance. A loosely woven coarse cotton fabric may be light but still look rough. Chiffon is light and fine. Canvas is heavy and coarse. Satin may appear fine because of its smooth surface, even if it has considerable weight.

6. Altering Both Weight and Fineness Together

The most difficult problem is to increase both weight and fineness at the same time.

Normally, increasing weight tends to make a fabric coarser, while increasing fineness tends to reduce weight. Therefore, to obtain both increased weight and increased fineness, the designer must alter the relation between warp and weft very carefully.

7. Method: Make One Set of Threads Coarser and the Other Finer

One possible method is to make one yarn system, either warp or weft, much thicker and reduce its quantity proportionately. This creates more space between those threads. Then the other yarn system can be made finer and inserted in much greater quantity.

For example, the warp may be made thicker and more open. Because there is more space between the warp threads, a greater number of fine weft picks can be inserted. The coarse warp contributes to fabric weight, while the closely packed fine weft gives a smoother and finer-looking surface.

In such a construction, the fine weft may cover the coarse warp so completely that the coarse warp is almost hidden from sight.

Design Insight:
A fabric can become heavier because of hidden or partly hidden yarn bulk, while still appearing fine because the visible surface is dominated by finer, closely packed yarns.

8. Reverse Method: Fine Warp and Coarser Weft

The same principle can also be reversed. Instead of using a coarse warp and fine weft, the designer may use a finer warp and a heavier weft, depending on the required surface effect.

This depends on whether the fabric is intended to be warp-faced, weft-faced, compact, soft, firm, decorative, smooth, or textured.

Fabric Effect Required	Possible Construction Approach
Fine surface with weight	Use fine visible yarns with hidden heavier yarn contribution
Dense warm fabric	Increase picks or ends in one direction
Smooth warp-faced fabric	Use more warp cover and suitable weave
Weft-faced compact fabric	Use more weft cover and higher PPI
Rich decorative surface	Use supplementary warp or supplementary weft
Heavier saree feel	Use denser yarn insertion, zari, or heavier ground construction

9. Importance of Weave Structure

The method described above has limits. If the difference between warp and weft becomes too great, the fabric may become unsatisfactory.

For example, if the warp is too thick and the weft is too fine, or if the weft is too thick and the warp is too fine, problems may arise. The fabric may show poor interlacement, uneven surface, weak construction, poor handle, excessive cover in one direction, weaving difficulty, distorted pattern, or poor dimensional stability.

The weave structure must support the relationship between the yarns. A plain weave has many interlacements and may not easily allow heavy packing of threads. A twill or satin has fewer interlacements and may allow more yarn packing, but it will also change the appearance and performance of the cloth.

Common Confusion:
Changing yarn count or thread density is not merely a numerical adjustment. It changes the actual behaviour of the fabric: its feel, fall, cover, warmth, strength, and appearance.

10. Practical Example: Cotton Shirting

Suppose a buyer has a cotton shirting fabric and says:

“I want the same fabric, but heavier and finer.”

This request is contradictory unless the construction is changed intelligently. The designer may use finer visible yarn in one direction, higher EPI or PPI, closer cover, or a slightly adjusted weave. The fabric may now look smoother, finer, and more compact while also becoming heavier.

However, it will not be exactly the same fabric. It will be a modified fabric with a similar character.

Existing Fabric	Possible Modified Fabric
Medium yarn count	Finer visible yarn in one direction
Moderate EPI and PPI	Higher EPI or PPI
Ordinary cover	Closer cover
Moderate weight	Increased weight through hidden yarn bulk or compact setting
Same weave	Slightly adjusted weave or density

11. Practical Example: Saree Fabrics

In saree design, this principle is extremely relevant. A buyer may say:

“Make the saree lighter but keep the same fall and richness.”

This is not easy, because richness often comes from yarn density, zari content, fabric cover, border weight, pallu construction, and finishing treatment. If weight is reduced, the saree may lose body, fall, or richness.

Similarly, a buyer may say:

“Make it more premium-looking but do not increase weight.”

This may require finer yarn, better finishing, increased lustre, smoother weave, better colour depth, improved zari quality, or a more compact but lightweight construction.

So the textile designer must decide which fabric property is being altered and which property must be preserved.

12. Central Principle

The central principle can be stated simply:

A woven fabric is a balanced structure. Weight, fineness, coarseness, compactness, yarn count, thread density, and weave are all connected. Changing one property inevitably affects the others.

Therefore, in fabric development, the correct question is not merely:

“Can we make this fabric heavier?”
“Can we make this fabric finer?”

The better question is:

“Which fabric character must be preserved, and which construction variables can be changed?”

13. Simple Summary

When This Is Changed	What Usually Happens
Weight is increased	Fabric generally becomes coarser unless construction is carefully modified
Weight is reduced	Fabric generally becomes finer or lighter in character
Fineness is increased	Weight, density, or warp-weft relation must change
Both weight and fineness are increased	One yarn system may be made heavier while the other becomes finer and more closely packed
Weave structure is changed	The original fabric character may also change

Conclusion

Altering the weight, fineness, or coarseness of a cloth is never a single-variable exercise. A woven fabric is a structural balance between yarn count, ends per inch, picks per inch, warp-weft relation, and weave pattern.

A fabric can be made heavier, lighter, finer, or coarser, but each change has consequences. The skill of the textile designer lies in making these adjustments while preserving the desired character of the cloth as far as possible.

In practical fabric development, especially in apparel, shirting, suiting, sarees, and furnishing fabrics, the most important question is not whether a fabric can be changed, but how much change can be made without losing its identity.

Buy my books at Amazon.com

Textile Calculations: How to change the EPI and PPI when changing counts for a given fabric

To Change from One Count to Another Count and Find Sett or Picks to Retain the Same Character of Cloth

This rule explains how to change the yarn count while keeping the cloth character nearly the same. Here, cloth character means the general feel, firmness, cover, openness, handle, and appearance of the fabric.

If the yarn count is changed from coarse to fine, or from fine to coarse, the sett or picks cannot usually remain the same. The number of ends per inch or picks per inch must be adjusted.

Core Idea

If a finer yarn is used, more ends per inch or picks per inch are required to maintain the same cloth character.

If a coarser yarn is used, fewer ends per inch or picks per inch are required.

For example, 60s yarn is finer than 40s yarn. Therefore, if a fabric made with 40s yarn has 60 ends per inch, the same type of fabric made with 60s yarn will require more than 60 ends per inch.

Why Square Root Is Used

Yarn count does not change linearly with yarn diameter. In the cotton count system, yarn diameter is approximately proportional to the reciprocal of the square root of the count.

\[ \text{Yarn diameter} \propto \frac{1}{\sqrt{\text{Count}}} \]

This means that 60s yarn is not simply 1.5 times thinner than 40s yarn. Its diameter changes according to the square root of the count ratio. Therefore, when the count changes, the sett or picks must also be adjusted according to the square root relationship.

Rule

The rule may be expressed as:

\[ \frac{\sqrt{\text{Given Count}}}{\sqrt{\text{Required Count}}} = \frac{\text{Given Sett}}{\text{Required Sett}} \]

Or, more practically:

\[ \text{Required Sett} = \text{Given Sett} \times \frac{\sqrt{\text{Required Count}}}{\sqrt{\text{Given Count}}} \]

Where:

• Given Count = original yarn count
• Required Count = new yarn count
• Given Sett = original ends per inch or picks per inch
• Required Sett = new ends per inch or picks per inch

Example

Suppose the original fabric has:

• Yarn count = 40s
• Sett = 60 ends per inch

Now, the fabric is to be made using 60s yarn. The required sett is calculated as follows:

\[ \text{Required Sett} = 60 \times \frac{\sqrt{60}}{\sqrt{40}} \]

\[ = 60 \times \sqrt{\frac{60}{40}} \]

\[ = 60 \times \sqrt{1.5} \]

\[ = 60 \times 1.225 \]

\[ = 73.5 \]

Therefore, the required sett is approximately:

\[ 73.5 \text{ ends per inch} \]

In practical weaving terms, this may be rounded to:

\[ 73 \text{ or } 74 \text{ ends per inch} \]

Meaning in Simple Textile Language

A fabric made with 40s yarn and 60 ends per inch has a certain closeness and cover. If the yarn is changed to 60s, the yarn becomes finer. If the sett remains at only 60 ends per inch, the cloth will become more open, lighter, and less covered.

To preserve the same character, the sett is increased to around 73–74 ends per inch.

So:

\[ 40s \text{ yarn at } 60 \text{ sett} \]

is approximately equivalent in character to:

\[ 60s \text{ yarn at } 73.5 \text{ sett} \]

Rule 2

Rule 2 gives the same answer in another form. It may be expressed as:

\[ \frac{\text{Given Count}}{\text{Required Count}} = \frac{\text{Given Sett}^{2}}{\text{Required Sett}^{2}} \]

Or:

\[ \text{Required Sett}^{2} = \frac{ \text{Required Count} \times \text{Given Sett}^{2} }{ \text{Given Count} } \]

Using the same example:

\[ \text{Required Sett}^{2} = \frac{60 \times 60^{2}}{40} \]

\[ = \frac{60 \times 3600}{40} \]

\[ = 5400 \]

\[ \text{Required Sett} = \sqrt{5400} \]

\[ = 73.5 \]

Therefore, both Rules give the same answer.

Applying the Same Rule to Picks

The same method applies to picks per inch.

Suppose a cloth has:

• 40s weft
• 56 picks per inch

Now suppose 60s weft is to be used. The required picks are:

\[ \text{Required Picks} = 56 \times \frac{\sqrt{60}}{\sqrt{40}} \]

\[ = 56 \times 1.225 \]

\[ = 68.6 \]

So the new picks per inch would be about:

\[ 69 \text{ picks per inch} \]

Changing from Finer Yarn to Coarser Yarn

The reverse is also true. Suppose the cloth has:

• 60s yarn
• 72 ends per inch

Now suppose 40s yarn is to be used. The required sett is:

\[ \text{Required Sett} = 72 \times \frac{\sqrt{40}}{\sqrt{60}} \]

\[ = 72 \times 0.816 \]

\[ = 58.75 \]

So the new sett would be approximately:

\[ 59 \text{ ends per inch} \]

Because 40s yarn is coarser, fewer ends are needed to give a similar cloth character.

Summary Table

Original Yarn	Original Sett	New Yarn	New Sett Approx.	Result
40s	60 EPI	60s	73.5 EPI	Similar cover and firmness
60s	72 EPI	40s	58.8 EPI	Similar cover and firmness
30s	48 EPI	40s	55.4 EPI	Finer yarn needs higher sett
80s	96 EPI	60s	83.1 EPI	Coarser yarn needs lower sett

Practical Interpretation

This rule is useful when a manufacturer wants to change yarn count but still produce a fabric that looks and feels similar. For instance, if 40s yarn becomes unavailable and 60s yarn is used instead, the sett or picks must be increased to compensate for the finer yarn.

Similarly, if a coarser yarn is used, the sett or picks must be reduced, otherwise the fabric may become too tight, heavy, stiff, or difficult to weave.

Important Caution

This rule gives an approximate theoretical sett. In actual weaving, the final sett may need adjustment because cloth character also depends on several practical factors, such as yarn twist, fibre quality, weave structure, reed space, crimp, loom tension, finishing shrinkage, desired cover, and whether the cloth is plain, twill, satin, drill, poplin, or another weave.

Therefore, this rule should be treated as a starting point, not as an absolute final production value.

In One Simple Sentence

When changing from one yarn count to another, adjust the sett or picks in proportion to the square root of the count ratio so that the fabric retains nearly the same appearance, cover, and character.

Buy my books at Amazon.com

Are Brocades same as Jacquards ?

Understanding Brocade: Fabric, Technique, and Jacquard Confusion

There is considerable confusion around the word brocade because it is used in two different ways. In everyday textile language, brocade usually means a rich woven fabric with elaborate, raised, embossed, or ornamental patterns. People identify brocade by its appearance: shining motifs, floral designs, metallic yarns, heavy texture, and a sense of luxury.

However, from a strict technical point of view, brocade is not simply one weave structure. It is better understood as a method of creating decorative patterns in woven fabric, where extra figuring threads are introduced to form motifs on the surface. These patterns may appear raised, floating, embossed, or richly textured.

So, the word “brocade” today often describes what the fabric looks like, while historically it also referred to how the pattern was produced.

Brocade as Appearance vs Brocade as Technique

The appearance of brocade has remained relatively stable over time. Whether we look at old handwoven Banarasi textiles or modern jacquard-woven sarees, the visual effect is often similar: elaborate motifs, floral vines, butas, borders, pallus, and ornamental surfaces.

But the technology behind producing that appearance has changed dramatically.

Earlier, brocade required very high levels of skill. The pattern had to be interpreted, counted, lifted, and woven manually. Today, the same kind of visual effect can be produced using mechanical or computerized jacquard systems. This means that the look of brocade has survived, but the labour, skill system, and production method have changed.

The Earliest Indian Method: Gethua

In the Indian context, one of the earliest methods of creating figured brocade patterns was the Gethua technique. In this method, a naksha, or graphed design pattern, was placed below the warp. The naksha acted like a visual guide for the weaver.

The weaver followed this graph manually and inserted patterning threads at the required points. This was a slow and highly skilled process. Each motif had to be understood through counting and careful placement. The pattern did not emerge automatically; it was created by the intelligence and memory of the artisan.

In this sense, Gethua was not merely weaving. It was a form of manual coding of design into cloth.

Jhala and the Draw Loom

Later, brocade weaving became more structured through the use of hand-operated draw looms, especially using the Jhala technique. In this system, the complex pattern was created with the help of a drawboy.

The master weaver worked at the loom, while the drawboy helped lift selected warp threads according to the pattern. This allowed more complex and repeatable designs than purely manual pattern insertion.

The Jhala system required coordination between:

• the designer or naksha maker,
• the master weaver,
• the drawboy,
• and the loom mechanism.

This system allowed richly patterned textiles to be produced, but it was still labour-intensive and dependent on highly trained artisans. The drawboy had to know which threads to lift at which moment. The master weaver had to control the rhythm, yarns, motifs, and fabric structure.

So, brocade production at this stage was still deeply linked to human skill, memory, and coordination.

The Jacquard Revolution

The introduction of the Jacquard loom in the early nineteenth century transformed the production of patterned textiles. The Jacquard mechanism worked through punched cards. Each card represented one row or line of the design.

Where there was a hole in the card, a thread could be lifted or allowed to pass. Where there was no hole, the thread remained down. In this way, the pattern was encoded into a series of cards.

This was revolutionary because the design no longer had to be manually interpreted by a skilled drawboy. The pattern was now stored mechanically.

This is why the Jacquard loom is often described as an early form of computing. It used a binary-like logic: hole or no hole, lift or do not lift. The punched card system later influenced early computing technologies.

In textile terms, the Jacquard loom changed brocade weaving in three major ways:

1. It reduced dependence on highly skilled pattern manipulators.
2. It made complex patterns faster and more repeatable.
3. It allowed richly patterned fabrics to be produced at lower cost and in greater quantities.

This did not mean that skill disappeared completely. Designing, card punching, loom setting, yarn selection, and finishing still required expertise. But the nature of skill shifted from manual pattern lifting to mechanical preparation and loom operation.

Why Jacquard Made Older Looms Obsolete

Before Jacquard, producing elaborate brocade involved slow manual or semi-manual control of warp threads. The Jacquard mechanism automated this process. Once a pattern was punched into cards, it could be repeated again and again.

This made older hand-operated patterning systems less economical for many kinds of fabrics. Richly patterned textiles that once required a master weaver and drawboy could now be made faster by less specialized operators.

As a result, many old looms became commercially obsolete, especially for regular production of patterned fabrics. They survived in some traditional clusters, museum contexts, high craft production, or revivalist weaving, but the mainstream production of brocades increasingly moved toward jacquard technology.

Dobby Loom and Its Difference from Jacquard

The passage also mentions the Dobby loom, which is another important patterned weaving technology. A Dobby loom can create repeated geometric or simple patterns by controlling groups of warp threads.

However, Dobby is more limited than Jacquard.

A Dobby loom is suitable for smaller, simpler, repetitive designs such as checks, stripes, small geometric textures, and certain structured motifs. It is cheaper and easier to run than a Jacquard system. That is why it replaced Jacquard in simpler patterned fabrics where the full complexity of Jacquard was not needed.

But Dobby patterns are limited because they work over a restricted number of threads. The passage states that Dobby patterns are generally limited to designs stretching over about 40 threads, whereas Jacquard designs are virtually limitless in comparison.

This means:

Technology	Best Suited For
Dobby	Simpler, smaller, repeated patterns
Jacquard	Complex, large-scale, detailed, pictorial, or elaborate patterns

Therefore, for rich brocades with complex floral, paisley, architectural, or figurative designs, Jacquard remains the more powerful system.

The Important Distinction: Brocade and Jacquard Are Not the Same

This is the most important conceptual point:

Almost all modern brocades are jacquards, but not all jacquards are brocades.

This means that most modern brocade fabrics are woven using a Jacquard mechanism. However, Jacquard is only a loom-control technology. It can be used to make many kinds of patterned textiles, not just brocade.

A Jacquard loom can produce:

• brocade,
• damask,
• tapestry-like fabrics,
• figured silks,
• upholstery fabrics,
• labels,
• decorative borders,
• complex saree pallus,
• and many other patterned textiles.

So, Jacquard refers to the technology, while brocade refers to a type of rich figured fabric appearance and structure.

This is similar to saying that a printer can print a photograph, a poster, or a book page. The machine is the same, but the output is different.

Brocade vs Jacquard in Simple Terms

Term	Meaning
Brocade	A richly patterned woven fabric, often with raised or embossed motifs
Jacquard	A loom mechanism used to control individual warp threads and produce complex patterns
Dobby	A simpler loom mechanism for small, repetitive patterns
Gethua	Early Indian hand-patterning method using a naksha under the warp
Jhala	Traditional drawloom-based brocade technique involving a master weaver and drawboy
Naksha	Graphed design or pattern guide used in traditional weaving

Why the Confusion Happens

The confusion happens because the consumer sees the final fabric, not the loom technology. A customer may call any rich patterned saree “brocade.” A trader may call a jacquard saree “brocade” because it has ornamental motifs. A textile historian, however, may ask whether the fabric is hand-patterned, drawloom woven, jacquard woven, supplementary weft brocade, damask, tapestry, or something else.

So, the same fabric may be described differently depending on whether the speaker is a consumer, merchant, weaver, designer, historian, or textile technologist.

A Better Way to Understand Brocade

A more precise way to understand brocade is:

Brocade is not merely a fabric name. It is a decorative woven effect created by patterning threads, historically produced by hand techniques such as Gethua and Jhala, and now most commonly produced through Jacquard technology.

This definition allows us to respect both the older craft tradition and the modern industrial reality.

It also prevents us from making the mistake of using “brocade” and “jacquard” as exact synonyms.

Buy my books at Amazon.com

Have a question on this topic?

You can ask it in the My Textile Notes Discussion Forum.

Difference Among Odisha, Andhra and Gujarat Ikat

Ikat is one of the most fascinating textile techniques of India because the design is not printed, painted, or embroidered on the finished cloth. Instead, the design is imagined much earlier — at the yarn stage. The yarn is tied and dyed according to a predetermined pattern before it is placed on the loom. When the dyed yarns are finally woven, the design appears on the cloth. This is why Ikat is classified as a Pre-Loom textile in Mapping Indian Textiles by Ruchira Ghose.

The same report identifies Odisha, Andhra Pradesh/Telangana, and Gujarat as the three most important Indian states with long and strong Ikat traditions. Though all three follow the broad principle of tying and dyeing yarn before weaving, their visual language, motif vocabulary, technical emphasis, and cultural identity are very different.

What Makes Ikat Special?

In Ikat, selected parts of yarn are tied so that they resist dye. The exposed sections absorb colour, while the tied portions remain undyed. This process may be repeated several times for different colours. The prepared yarns are then woven into cloth.

Because the design is already embedded in the yarn, the weaver has to align the threads carefully during weaving. The slight shifting of yarn during weaving gives Ikat its famous soft, blurred edges. This blurring is not a defect. It is one of the most beautiful and recognizable features of Ikat.

The Three Major Indian Ikat Traditions

The three major Indian Ikat traditions may be broadly understood in this way:

Andhra Pradesh/Telangana Ikat is known for geometry.

Odisha Ikat is known for complexity, curves, and variety.

Gujarat Ikat, especially Patan Patola, is known for precision and prestige.

This is a useful way to remember the difference, though each region also has many internal variations.

Andhra Pradesh and Telangana Ikat: The Language of Geometry

The Ikat of Andhra Pradesh and Telangana is especially associated with geometric forms. Its designs often appear in a square grid format, with stepped outlines and clearly arranged motifs. In the report, Andhra/Telangana Ikat is described as being known particularly for geometric motifs.

Important centres include Pochampally, Chirala, Vetapalam, Koyyalagudem, and Puttapaka. Pochampally Ikat is perhaps the best-known name today. It is used for saris, yardage, furnishing fabrics, bedcovers, cushion covers, and curtains.

Another famous textile from this region is the Telia Rumal. Traditionally, Telia Rumal used deep red, dark blue or brownish-black along with natural off-white. It had a square grid structure within which geometric and figurative patterns were woven.

The beauty of Andhra/Telangana Ikat lies in its clarity and discipline. The forms are structured, balanced, and often architectural. Compared to Odisha Ikat, the motifs are usually less rounded. Compared to Gujarat Patola, the designs may be less rarefied, but they are more widely adapted into saris, furnishings, and contemporary textile products.

Odisha Ikat: The Language of Complexity and Curve

Odisha Ikat, also known as Bandha, is one of the richest Ikat traditions in India. The report describes Odisha as having the most extensive Ikat tradition among the three major Ikat states, both in terms of numbers practicing the craft and in terms of design complexity.

What makes Odisha Ikat extraordinary is its ability to create rounded forms through a technique that naturally tends to produce stepped or blurred outlines. Motifs such as fish, swan, peacock, parrot, deer, horse, elephant, lion, conch, star, rudraksha, and temple forms are found in Odisha Ikat. Even more remarkable is the tradition of calligraphy, where verses and sacred texts may be woven into the textile.

This requires exceptional planning. The design must first be imagined, then translated into tied and dyed yarn, and finally aligned during weaving. The report notes that Odisha Ikat often combines Ikat patterns with brocaded motifs, requiring special mathematical and visual skill.

Two important weaving communities are mentioned: the Mehers of Sonepur and Bargarh, and the Patras of Nuapatna and Cuttack. The Patras are associated with silk and calligraphic traditions, while the Mehers are associated mainly with cotton Ikat, though these distinctions are becoming less rigid over time.

Odisha Ikat is therefore not just one style. It is a vast design universe. It includes saris, rumals, lungis, dhotis, furnishings, and yardage. Among the three traditions, Odisha may be seen as the most diverse in motif vocabulary and design treatment.

Gujarat Ikat: The Language of Precision and Prestige

Gujarat’s most famous Ikat is the Patan Patola, a double Ikat sari traditionally woven in silk. In double Ikat, both warp and weft yarns are tied and dyed before weaving. During weaving, the two sets of patterned yarns must meet exactly for the design to emerge. This makes double Ikat one of the most demanding textile techniques.

The report describes Gujarat’s Patan Patola as famous for elaborate figurative patterns, though it also notes that its range of motifs is more limited than Odisha Ikat.

Gujarat Ikat is associated with a square layout and stepped outlines. Typical motifs include Naari, Kunjara, Chokadaa, Moon, Plate, Raas, Ratanmok, elephant, and parrot. The main product is the sari, especially the Patola sari.

The strength of Gujarat Ikat lies in its precision. Every yarn must be planned. Every intersection of warp and weft matters. A Patola is not merely woven; it is engineered with remarkable accuracy. This gives it a special status among Indian textiles.

A Simple Comparison

Feature	Odisha Ikat	Andhra Pradesh / Telangana Ikat	Gujarat Ikat
Main identity	Bandha	Pochampally, Telia Rumal	Patan Patola
Visual character	Rounded, complex, fluid	Geometric, grid-based	Precise, square-layout
Main technical association	Warp, weft, double, and combined Ikat	Warp Ikat, weft Ikat, and double Ikat	Double Ikat
Motifs	Fish, swan, peacock, elephant, conch, temple, calligraphy	Geometric forms, flowers, stars, animals	Naari, Kunjara, Chokadaa, elephant, parrot
Colour palette	Red, black, maroon, green, blue, yellow, white	Black, red, white, chocolate	Red, blue, green, yellow
Product range	Rumal, lungi, dhoti, sari, furnishing, yardage	Rumal, lungi, sari, furnishing, yardage	Mainly sari
Core strength	Variety and complexity	Geometry and structure	Precision and prestige

The Main Difference in One Line

If Andhra/Telangana Ikat is remembered for geometric discipline, Odisha Ikat for curved complexity, and Gujarat Ikat for double-Ikat precision, the difference becomes much easier to understand.

Conclusion

Odisha, Andhra Pradesh/Telangana, and Gujarat show three different possibilities of the same textile principle. All three begin with yarn-resist dyeing before weaving, but the final results are visually and culturally distinct.

Andhra/Telangana Ikat gives us the beauty of geometry. Odisha Ikat gives us the richness of rounded forms, calligraphy, and complex design combinations. Gujarat Ikat gives us the rare precision of the Patan Patola, where both warp and weft are tied, dyed, and aligned with extraordinary care.

Together, these three traditions show why Ikat occupies such an important place in Indian textile heritage. It is not simply a method of patterning cloth. It is a way of thinking through yarn, colour, mathematics, memory, and hand skill — long before the fabric is born on the loom.

Table 2: Types of Ikats Across India

State	Warp Ikat	Weft Ikat	Warp and Weft Ikat
Odisha	Sonepur Balasore	Nuapatna, Cuttack	Bargarh, Sambalpur Althagarh, Cuttack Bolanger
Andhra Pradesh / Telangana	Chirala	Vetapalam	Pochampalli Hyderabad Koyyalagudem Puttapaka
Gujarat	Ahmedabad Surat	Rajkot Mandi	Patan
West Bengal	Chandanagore Murshidabad Maldah
Uttar Pradesh	Varanasi Azamgarh
Maharashtra	Narayanpet Bijapur Sholapur
Karnataka	Bangalore Mysore Belgaum Bellary Dharwad Chitradurga

Source: Based on Table 2, “Types of Ikat Across India,” in Mapping Indian Textiles by Dr. Ruchira Ghose.

Source Acknowledgement

This article is based on the discussion of Pre-Loom textiles, Ikat taxonomy, Table 2, and Table 3 in Mapping Indian Textiles by Dr. Ruchira Ghose, prepared under the Tagore National Fellowship and supported by the Indira Gandhi National Centre for the Arts, New Delhi.

Buy my books at Amazon.com

Understanding Indian Textiles Through the Pre-Loom, On-Loom and Post-Loom Taxonomy

Indian textiles are often introduced to us through names: Banarasi, Kanchipuram, Patola, Paithani, Ajrakh, Kalamkari, Bandhani, Chikankari, Jamdani, Pochampally, Sambalpuri, and many more. These names are beautiful and culturally rich, but for a learner they can also become confusing.

Some names refer to places. Some refer to techniques. Some refer to communities. Some refer to products. Some refer to materials. Some refer to motifs or market identities. A sari may be known by its town, by its weave, by its border, by its community association, or by the way it is decorated.

So, how does one begin to understand the vast and complex world of Indian textiles?

One very useful answer comes from the report Mapping Indian Textiles by Ruchira Ghose, prepared under the Tagore National Fellowship and supported by the Indira Gandhi National Centre for the Arts, New Delhi. The report proposes a powerful way of classifying Indian handmade textiles: not merely by region or product name, but by asking a more fundamental technical question:

At what stage does the design enter the textile?

This question leads to a clear and elegant taxonomy:

Pre-Loom, On-Loom, and Post-Loom.

---

The Central Idea: Where Does Design Enter?

The report’s classification is based on what it calls the location of design in the handmade textile process. In simple words, this means identifying the stage at which the pattern, motif, colour arrangement, or ornamentation becomes part of the textile.

The design may enter:

Stage	Category	Meaning
Before weaving	Pre-Loom	Design is prepared on the yarn before it reaches the loom
During weaving	On-Loom	Design is created while the fabric is being woven
After weaving	Post-Loom	Design is added after the cloth has already been woven

This taxonomy does not replace regional names. It does not make words like Banarasi, Kanchipuram, Ajrakh, Patola, or Kalamkari unnecessary. Instead, it gives us a deeper technical structure underneath those names.

It helps us move from simply asking:

“Where is this textile from?”

to also asking:

“How does this textile become designed?”

That shift is extremely important.

---

1. Pre-Loom: Design Before the Loom

In Pre-Loom textiles, the design is created before the yarn is placed on the loom. The most important example of this category is Ikat.

In Ikat, the pattern is not drawn directly on cloth. Instead, the yarn itself is tied and dyed according to a planned design. The tied portions resist the dye, while the exposed portions absorb it. After dyeing, the yarns are arranged on the loom and woven. Only then does the final design emerge.

This is why Ikat often has a soft, slightly blurred edge. The design exists in the yarn before weaving, but it becomes visible as a complete pattern only when the warp and weft come together.

A beautiful way to understand Pre-Loom design is this:

In Pre-Loom textiles, the design is hidden inside the yarn and revealed through weaving.

The report identifies different types of Ikat:

Type of Ikat	What happens
Warp Ikat	The warp yarns carry the design
Weft Ikat	The weft yarns carry the design
Double Ikat	Both warp and weft yarns carry the design
Combined Ikat	Warp and weft ikat appear in the same textile, though they may not overlap fully

Indian examples include Odisha Bandha, Sambalpuri Ikat, Pochampally Ikat, Telia Rumal, and Patan Patola.

Pre-Loom textiles require remarkable planning. The artisan must imagine the final design before the cloth exists. The design must be translated into yarn sections, tied, dyed, aligned, and woven. In Double Ikat, where both warp and weft must meet precisely, the level of calculation and skill becomes extraordinary.

So, Pre-Loom textiles are not merely woven. They are pre-imagined, calculated, dyed, and then woven into visibility.

---

2. On-Loom: Design During Weaving

In On-Loom textiles, the design enters during the weaving process itself. Here, the loom is not only a tool for making cloth; it is also the place where pattern is created.

This category includes both simple and complex forms of design.

Simple On-Loom Patterning

Some On-Loom designs are created by changing the colour, thickness, spacing, or arrangement of yarns.

For example:

Design Type	How it is created
Stripes	Variation in warp or weft yarns
Checks	Variation in both warp and weft
Shot fabrics	Different colours in warp and weft create changing tones
Texture effects	Variation in yarn thickness or spacing

This is important because it reminds us that design does not always mean elaborate motifs. A stripe, a check, a colour shift, or a textural rhythm can also be a design decision built directly into the weaving process.

Brocade and Jamdani

More complex On-Loom textiles include brocade and Jamdani.

In brocade, the pattern is created on the loom using extra or supplementary yarns. These extra yarns may be supplementary weft, supplementary warp, or both. They are not necessarily required to create the basic structure of the fabric, but they create the decorative motif.

Jamdani is a particularly delicate form of this logic. In Jamdani, a fine ground fabric is woven with regular warp and weft, and then supplementary weft threads are inserted by hand to create motifs. These motifs often appear to float on the surface of the fabric.

A simple way to understand Jamdani is:

Jamdani is woven ornament. The ground cloth is formed by the regular warp and weft, while the motif is added during weaving through supplementary weft.

Examples include Dhakai Jamdani, Tangail Jamdani, and Uppada Jamdani.

Tapestry

Tapestry is also an On-Loom technique, but its logic is different from Jamdani.

In tapestry, the design is not added as an extra motif over a ground fabric. Instead, the coloured weft yarns that create the design are part of the actual structure of the cloth. The pattern and the fabric are built together.

This distinction is important.

In Jamdani, the motif is supplementary.
In tapestry, the motif is structural.

Examples of Indian textiles using tapestry-like techniques include the Kani shawl of Kashmir, the Paithani sari of Maharashtra, and the Dhurrie.

A useful line of distinction is:

In Jamdani, the motif is introduced into the fabric. In tapestry, the motif becomes the fabric.

Or even more simply:

Feature	Jamdani	Tapestry
Design yarn	Supplementary weft	Structural or complementary weft
Base fabric	Exists independently	Built along with the design
Visual effect	Motifs appear to float	Pattern is integrated into the cloth
Textile logic	Ornament added during weaving	Fabric constructed through pattern

This comparison shows the strength of the taxonomy. It helps us see that two textiles may both be “woven designs,” but the role of the design yarn may be very different.

---

3. Post-Loom: Design After the Cloth Is Woven

In Post-Loom textiles, the cloth is woven first. The design is added later.

This category includes a very wide range of Indian handcrafted textile traditions. Here, the loom may create the base fabric, but the final identity of the textile emerges through painting, printing, dyeing, embroidery, appliqué, or other surface techniques.

The report identifies broad Post-Loom groups such as:

Technique Group	Examples
Painting	Kalamkari, Mata ni Pachedi, Rogan
Printing	Ajrakh, Bagh, Bagru, Sanganer
Resist dyeing	Bandhani, Leheriya, Dabu
Embroidery	Chikankari, Kantha, Phulkari, Kasuti
Appliqué	Pipli appliqué and other appliqué traditions

In Post-Loom textiles, the cloth becomes a surface for further work. The design may be drawn with a pen, stamped with a block, resisted with wax or mud, dyed in stages, embroidered with thread, or built up by attaching another fabric.

This category is especially rich because it brings together textile skill, chemistry, drawing, hand control, ritual practice, community identity, and surface ornamentation.

For example, Kalamkari involves drawing and dyeing with mordants and natural colours. Ajrakh combines block printing with resist dyeing. Bagru uses hand block printing, often with natural dyes and Dabu resist. Rogan uses an oil-based paste applied by hand to create raised patterns. Mata ni Pachedi combines painting, printing, ritual narrative, and goddess imagery.

A useful way to remember Post-Loom textiles is:

Post-Loom textiles remind us that weaving is not always the end of textile creation. In many Indian traditions, weaving is only the beginning.

---

Why This Taxonomy Is So Useful

The Pre-Loom, On-Loom, and Post-Loom framework is powerful because it gives us a way to organize a very complicated field.

1. It reduces confusion

Instead of trying to memorise hundreds of names, we can begin with one question:

When does the design enter the textile?

If the design is prepared on the yarn before weaving, we are in the world of Pre-Loom. If the design is created during weaving, we are in the world of On-Loom. If the design is added after the cloth is woven, we are in the world of Post-Loom.

This does not solve every classification problem, but it gives us a clear starting point.

2. It separates product from process

A sari is a product form. But the technique used to create it may be Ikat, brocade, Jamdani, tapestry, printing, painting, embroidery, or appliqué.

So the word “sari” tells us what the object is.

The taxonomy tells us how the design was made.

That difference is very important for students, museum professionals, researchers, designers, and serious textile enthusiasts.

3. It helps museum documentation

The report was written in the context of public museums and textile collections. Museums need to classify, label, store, display, and explain textiles accurately. A taxonomy based on the location of design can help create better accession registers, gallery labels, digital archives, and educational displays.

Instead of simply saying “silk sari” or “printed cloth,” a museum can describe the material, technique, process, region, use, maker community, and design logic more precisely.

4. It reveals hidden skill

Once we know when design enters the textile, we begin to appreciate the invisible labour behind the object.

We begin to see:

the mathematical planning of Ikat,
the delicate insertion of supplementary weft in Jamdani,
the structural intelligence of tapestry,
the chemistry of mordants and resists in printing and dyeing,
the drawing skill of Kalamkari,
the patience of embroidery,
and the compositional intelligence of appliqué.

The taxonomy helps us look beyond surface beauty into process intelligence.

---

Where the Taxonomy Becomes Complicated

Indian textiles are rarely simple. Many traditions combine techniques. This is where the taxonomy must be used carefully.

For example, a textile may be woven with one technique and then dyed, painted, printed, or embroidered later. Some Odisha saris combine Ikat with extra-weft patterning. Ajrakh combines block printing and resist dyeing. Mata ni Pachedi may combine painting and block printing. Kodalikaruppur saris historically involved weaving, metallic thread, resist work, and painting or printing.

So the taxonomy should not be treated as a rigid cage. It is better understood as a map.

A map helps us enter the landscape, but it does not replace the richness of the landscape itself.

The most mature way to use this framework is to ask:

What is the primary location of design?
Are there secondary design interventions?
Does the textile combine more than one process?

This approach respects both structure and complexity.

---

From Names to Processes

The greatest value of this taxonomy is that it changes the way we see Indian textiles.

Instead of seeing Indian textiles only as a list of regional names, we begin to see them as systems of making.

Patola is not just a famous sari; it is a Pre-Loom Double Ikat marvel.
Jamdani is not just a delicate fabric; it is a supplementary-weft On-Loom ornamentation technique.
Paithani is not just a Maharashtrian sari; it involves a tapestry logic where design and structure are deeply connected.
Kalamkari is not just painted cloth; it is a Post-Loom tradition involving drawing, mordants, dyes, washing, and repeated hand processes.
Ajrakh is not just a printed textile; it is a sophisticated sequence of resist, mordant, dye, block, and repetition.

This is the deeper gift of the Pre-Loom, On-Loom, and Post-Loom taxonomy.

It allows us to move from names to processes, from surface to structure, and from decoration to design intelligence.

To understand Indian textiles deeply, we must ask not only where they come from, but how their design comes into being.

And for that, the taxonomy introduced in Mapping Indian Textiles gives us a simple, elegant, and powerful beginning.

---

Source Acknowledgement:
This article is based on and acknowledges the taxonomy introduced in Mapping Indian Textiles by Ruchira Ghose, prepared under the Tagore National Fellowship, Ministry of Culture, Government of India, and supported by the Indira Gandhi National Centre for the Arts, New Delhi.

Buy my books at Amazon.com

What is Deco Finish in Synthetic Pattu and Kanjivaram Sarees

Deco Finish in Synthetic Pattu and Kanjivaram-Style Sarees: 

In the saree market, especially in the segment of synthetic pattu, art silk, PV soft silk, and Kanjivaram-style sarees, one sometimes comes across terms such as “deco finish,” “hand deco finish,” “roll polish and deco finish,” or “saree roll polish.” These words are often used in wholesale catalogues, job-work listings, finishing services, and trader descriptions.

However, it is important to say this clearly at the beginning: “deco finish” does not appear to be a standardized textile-engineering term in the same way that mercerising, sanforising, calendaring, heat-setting, resin finishing, or softening are standardized finishing terms. It seems to be more of a trade term used by saree manufacturers, processors, wholesalers, and finishers to describe a final appearance-enhancing process.

In other words, when a trader says that a saree has a “deco finish,” we should not assume that it refers to one fixed chemical recipe or one fixed machine process. It may refer to a combination of polishing, pressing, softening, stiffening, shining, border setting, pallu setting, hand finishing, and retail-ready presentation.

Why the Term “Deco Finish” Is Confusing

The word “deco” probably comes from “decorative” or “decoration.” In saree finishing, it appears to be used for processes that improve the final decorative appearance of the saree. Public trade listings mention roll polish and deco finish as service categories for sarees and garments, suggesting that the term belongs more to the job-work and finishing trade than to formal textile science.

This is why the meaning may change from one processor to another. For one finisher, deco finish may mainly mean roll polishing and pressing. For another, it may include fabric shiner, softener, stiffener, and careful hand setting of the pallu and border. For a wholesaler, it may simply mean that the saree has been given an extra finishing treatment to make it look rich and showroom-ready.

Deco finish is a trade-level final finishing process used to improve the appearance, lustre, drape, smoothness, body, and retail presentation of a saree. It is not a single standardized technical finish, and its exact process may vary from supplier to supplier.

Deco Finish in Synthetic Pattu Sarees

Synthetic pattu sarees are usually designed to imitate the look of silk sarees at a more affordable price point. They may be made from polyester, viscose, art silk, PV blends, or other man-made yarns. These sarees often depend heavily on shine, colour brightness, zari effect, border richness, and pallu appearance.

In such sarees, deco finishing may be used to enhance the impression of richness. The saree may be made to look smoother, glossier, flatter, and better folded. The border may look sharper, the pallu may fall better, and the fabric may get a more polished surface.

This is especially important in synthetic Kanjivaram-style sarees because the consumer is visually comparing the saree with silk-rich traditional Kanjivaram aesthetics: heavy border, contrast pallu, zari designs, lustrous surface, and graceful fall. Deco finish may help the saree appear more attractive at the point of sale.

Likely Steps in the Deco Finishing Process

Since deco finish is not a formally defined process, the following steps should be seen as a probable reconstruction based on trade usage and related finishing practices.

1. Inspection of the Saree

After weaving or processing, the saree may first be inspected. Loose threads, floats, stains, uneven edges, zari defects, or handling marks may be checked. In synthetic pattu sarees, surface defects are easily visible because the fabric is often glossy.

2. Thread Cutting and Cleaning

Loose yarns near the border, pallu, buttas, and edges may be trimmed. Small unwanted fibre ends may be removed. This may be part of what some traders call “hand deco finish.”

3. Steam or Moisture Relaxation

The saree may be lightly steamed or relaxed before pressing or polishing. This helps reduce fold marks and handling creases. With synthetic fabrics, temperature control is important because excessive heat can damage the fabric surface or create unwanted shine patches.

4. Roll Polishing or Roll Pressing

This is likely one of the most important parts of the process. Public listings describe saree roll polishing as a service, and some trade listings group it with deco finish.

Roll polishing may help improve:

• surface smoothness
• lustre
• drape
• fall
• fold appearance
• border sharpness
• new-saree look

In retail terms, this makes the saree look fresher and more presentable.

5. Application of Fabric Shiner or Polish

Some commercial saree polish or fabric shiner products are described as being used to improve shine, colour brightness, softness, and smoothness. This does not prove that every deco finish uses such a product, but it suggests that shine-enhancing chemicals may be part of some saree finishing practices.

6. Softening

Synthetic pattu sarees can sometimes feel harsh, papery, slippery, or plasticky depending on the yarn and weaving. Softening agents may be used to improve the hand feel. A softener may help the saree feel smoother, more flexible, and more pleasant to drape.

7. Stiffening or Body-Giving Finish

Interestingly, sarees do not always need only softness. Some synthetic pattu sarees need body, fall, and crispness. If the saree is too limp, it may not hold pleats well. If it is too stiff, it may feel artificial. So the finishing has to balance softness with structure.

Some commercial saree roll-press products are described as giving a supple or stiff finish, indicating that stiffening or synthetic starch-like finishes may be used in this market.

8. Wax or Polyethylene Emulsion Finish

Polyethylene emulsions and wax-based finishes are used in textile finishing for surface polish, smooth hand feel, and improved abrasion resistance. This does not mean every deco finish uses polyethylene emulsion, but it is a plausible chemical category in appearance-enhancing textile finishing.

9. Border and Pallu Setting

In Kanjivaram-style sarees, the border and pallu carry the visual identity of the saree. The deco finish may include careful setting of these portions so that the saree looks rich when opened, displayed, photographed, or folded in packaging.

The pallu may be aligned, the border may be pressed, and zari areas may be made to look neat and prominent.

10. Final Folding and Packing

Finally, the saree is folded in a way that shows the border, pallu, and design attractively. This final retail presentation may be a major part of what the trade understands as deco finish.

Possible Chemicals Used in Deco Finish

Because deco finish is not a standard chemical term, it is better to say “possible chemicals” rather than “the chemicals.” The actual chemicals may vary widely.

Purpose	Possible Chemical Category	Likely Effect on Saree
Shine and lustre	Fabric shiner / saree polish	Improves surface brightness and showroom-like appearance
Soft hand feel	Silicone softener	Gives smooth, silky, slippery touch
General softness	Cationic or non-ionic softener	Reduces harshness and improves fabric feel
Body and fall	Synthetic starch / stiffener	Adds crispness, structure, and pleat-holding ability
Surface smoothness	Wax emulsion / polyethylene emulsion	Improves surface polish, glide, and smoothness
Crease recovery or durability	Resin finish	May improve body and crease resistance, but needs careful use

1. Fabric Shiner or Saree Polish

These may be used to improve surface lustre and colour richness. They may make the saree look brighter, newer, and more attractive for display.

2. Silicone Softener

Silicone softeners are widely used in textile finishing to give softness, smoothness, drape, and a silky feel. In synthetic pattu sarees, this type of finish may help create a more silk-like hand feel.

3. Cationic or Non-Ionic Softener

These are common textile finishing agents used to improve fabric hand feel. In synthetic pattu sarees, they may help reduce harshness and improve smoothness.

4. Synthetic Starch or Stiffener

A stiffener may be used when the saree needs body and fall. This is especially relevant where the seller wants the saree to feel fuller, crisper, or more structured.

5. Polyethylene or Wax Emulsion

These may contribute to surface smoothness, polish, glide, and abrasion resistance. Such chemicals are commonly associated with surface-enhancing textile finishes.

6. Resin Finish

In some cases, resin-type finishes may be used to improve crease recovery, body, or dimensional stability. However, in synthetic sarees with zari and shine, resin use would need care because excessive use may affect softness, shade, or handle.

A Practical Trade Interpretation

If we put the above points together, deco finish in synthetic pattu sarees may be understood as a combined finishing approach rather than a single treatment.

In synthetic pattu and Kanjivaram-style sarees, deco finish appears to refer to a final trade finishing process used to enhance lustre, smoothness, drape, border sharpness, pallu presentation, and retail appeal. It may involve roll polishing, pressing, softening, shining, stiffening, hand touch-up, and final folding. The exact process and chemicals are not standardized and may differ from one processor to another.

Why Deco Finish Matters in Saree Selling

The consumer often evaluates a saree through the first visual impression. Before she asks about yarn, weave, count, GSM, or finishing chemistry, she notices:

• Does it shine well?
• Does the colour look rich?
• Does the pallu look grand?
• Does the border sit properly?
• Does the saree feel smooth?
• Does it fall well?
• Does it look fresh and premium?

Deco finish may help create this first impression. In lower and mid-priced synthetic sarees, finishing can sometimes make a major difference between an ordinary-looking saree and a showroom-ready saree.

Important Cautions

The term deco finish should be used carefully. Since it is not a standardized technical term, it can also be used loosely in the market. One supplier’s deco finish may be much better than another supplier’s deco finish.

There are also risks if the finishing is not done properly:

• too much stiffener may make the saree feel plastic-like
• too much silicone may make pleating difficult
• poor-quality shiner may give patchy lustre
• excessive heat may damage synthetic yarns
• chemical incompatibility may affect zari
• over-finishing may reduce natural drape
• poor pressing may create permanent marks

Questions to Ask a Supplier or Finisher

A buyer, merchandiser, or textile student can ask:

1. Is your deco finish done by hand, machine, or both?
2. Does it include roll polish?
3. Do you use fabric shiner or saree polish?
4. Is any silicone softener used?
5. Is any starch or stiffener used to give body?
6. Is the saree calendared or roll pressed?
7. Is the finish washable or temporary?
8. Does it affect the zari?
9. Is the same finish used for polyester, viscose, PV silk, and art silk?
10. Can you show the saree before and after finishing?

Conclusion

Deco finish is best understood as a saree trade finishing term, not as a strict textile-engineering term. In synthetic pattu and Kanjivaram-style sarees, it seems to refer to a final beautification process that improves the saree’s shine, smoothness, fall, body, border appearance, pallu presentation, and retail appeal.

It may involve chemicals such as fabric shiners, silicone softeners, cationic or non-ionic softeners, stiffeners, wax emulsions, or polyethylene emulsions. But we should avoid saying that every deco finish uses the same chemicals or the same method.

Deco finish is a non-standardized trade term used in the saree industry for a final appearance-enhancing finish. In synthetic pattu and Kanjivaram-style sarees, it may include roll polishing, pressing, softening, shining, stiffening, hand setting, and retail folding. Its exact method and chemical composition vary across finishers and suppliers.

This cautious understanding is important because the term belongs to the living language of the textile market, where practical finishing knowledge is often passed through trade practice rather than formal technical documentation.

Buy my books at Amazon.com