Cloth types

Ask about specific settings, like fabric properties, or the difference between the sewing tools. These would be things you would expect to see in a software manual.
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Cloth types

Post by MarcusLaGrone »

Whee, been gone a few years it seems...
Is there a good list somewhere that describes what all the different types of cloth are?
I assume if you are a professional in the clothing industry these are all obvious (or less obtuse), but for a CG modeler the cloth descriptions are all but cryptic random letters...
Okay, some make sense, like coat weight wool, but the rest???



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Re: Cloth types

Post by LoriGriffiths »


Even being an experienced person who sews, the names given in MD are still subjective. You aren't losing much by not being familiar with them.

The most useful way to learn which-fabric-does-what is to look at the properties of the fabric. I'll take a look at leather, satin and knit. These are all things you should be familiar with already in the real world.

With a fabric selected in the Object Browser, in the Property Editor under Physical Property select the Preset Leather_Cowhide (this is version 8, but all MD versions have a stiff leather). I'll cover a few of the most important settings to give you an idea.

Now open up the Detail section and see what it says. Weft and Warp are the weave directions (leather isn't woven, but the direction still applies), with Warp being vertical and Weft being horizontal. The Stretch Weft/Warp tell how hard the fabric fights stretching. So the leather fights [word removed] against vertical stretch than horizontal stretch at 50/59.

Shear refers to the diagonal, as opposed to horizontal or vertical. Higher shear settings indicate less elasticity. This leather is 57.

Bending is like stretch showing you the resistance to bend in the fabric. Bending comes in at 60/61 for leather.

Buckling shows how much force is required to bend the fabric. This leather has a buckling ratio of 0, which means it takes a lot of force to bend.

The Density also give you an indication of how much mass the fabric has. Leather has great mass at 72 density.

Now switch over to Silk Duchess Satin. This is a woven fabric so it is no surprise that the stretch weft/warp are still high at 60/58. The shear, at 17, is very low which means it has a lot of elasticity on the diagonal. This is very true because slinky dress patterns are cut out of satin on the diagonal where the fabric loses its structure and the dress will hug the body.

Bending is not too different from leather, but Buckling is very high at 90. It take very little force to bend this fine fabric. You'll also note that the Density is 8, which again indicates the thinness.

Now switch over to Knit Cotton Jersey. The stretch drops drastically to 17/27. Note the difference in direction. It will stretch a lot more in the weft direction. The shear is low because this is a knit fabric and is very stretchy in all directions.

The Bending resistance is very low at 12/16. Buckling is at 80, just a big more than the satin. The density is 14, which is more dense than the satin, but much less than a leather.

Do you see the logic of all of this? Once you take a look at the settings on a few fabrics you actually are familiar with, the rest will be easy. Just go down the list and look at the properties to pick a fabric that will behave the way you need it to.

Hope that helps,


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Re: Cloth types

Post by Rosemary »

One last word on the fabric properties. Density effectively equals weight. (There are real-world reasons for this, but you needn't fret over understanding...) So something with a greater density will fall quicker. (Sorry, Galileo, but MD's programming overrides your Tower of Pisa experiment in this computer universe.)

You can play with any or all of the Property settings. To create some 'cloth' that can literally defy gravity, you set the Density at almost zero. While the primary function of MD is to recreate real-world fabric conditions, you aren't stuck with reality at all.

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