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Fabric simulation

Can AI show how a fabric drapes before you sample it?

It can show how a fabric looks as it falls on a garment, drawn from a photo of the cloth, and that is often enough to cut fifteen candidates down to two. It cannot calculate the drape. An AI render is a picture, not a physics simulation: it knows nothing of the weight in your hand, the stretch or the feel.

Dress fabric close-up showing drape and texture

What an AI fabric render is, and what it is not

  • It is a picture of a garment in a fabric, made from your photo of the cloth or from the fabric you name. It reproduces the surface, the color, the sheen and the kind of fall that cloth usually has.
  • It is not a drape simulation in the engineering sense. Nothing is measured: no weight per square meter, no bending stiffness, no stretch. Two cloths that photograph alike render alike, even if one is twice as heavy.
  • It does not know your pattern. The garment in the render fits perfectly because it was drawn, not cut.
  • It cannot feel. Hand, warmth, breathability, static and how a cloth ages in the wash are found on a swatch and a worn sample.

Two ways to see a fabric on a garment

Start from a fabric: photograph a cloth you own or are about to buy and the fabric tool proposes six garments a small label could cut from it, then renders them in that cloth. This is the free route, with no account needed for the first renders.

Start from a design: in the studio, take one garment and see it side by side in several fabrics, 5 credits ($0.50) a fabric. All fifteen fabrics below come to 75 credits for one design; a free account opens with a one-time welcome of 50 credits, and its 15 monthly credits cover 3.

Fifteen fabrics and how they render

Each row links to the page for that fabric. The weights are the range the trade usually quotes for clothing; your cloth has one figure, on its spec sheet.

Typical trade ranges for apparel, not measurements of your cloth. Leather and true neoprene are quoted by thickness. Check your mill's spec sheet.
FabricTypical weightDrapeSheenBreathabilityRenders convincinglyDoes not
CottonAbout 60 to 450 GSM, voile to fleeceLow to mediumMatteHighWeave texture, crisp collars, even colorShrinkage and the softening of washing
SilkAbout 50 to 230 GSM; often sold by the mommeVery highDeep, shifts with the lightHighLuster and the fall of a bias cutSeam slippage, water marks, uneven slubs
DenimAbout 270 to 540 GSM (8 to 16 oz)LowMatteMediumIndigo shade, twill line, the way it foldsFades, whiskers, fit and stretch
LeatherAbout 0.5 to 1.4 mm thickVery lowSoft to high, by finishMediumGrain and finish, nappa to suedeBulk at seams, how it softens with wear
VelvetAbout 150 to 400 GSMMedium to highPile: dark hollows, bright crestsLowDepth of color along each foldNap direction from piece to piece, pile marks
LinenAbout 110 to 350 GSMLow to mediumMatte, a little dryVery highSlubby texture and a relaxed rumpleHow quickly it creases once worn
WoolAbout 180 to 750 GSM, crepe to meltonMediumMatteHighWorsted or brushed face, checks and stripesThe tailoring inside, warmth, itch
CashmereAbout 130 to 400 GSM for knits; coatings heavierMedium to highMatte with a soft haloHighThe soft halo and rich color of a knitThe softness that justifies the price, pilling
SatinAbout 80 to 300 GSM, charmeuse to duchessVery highHigh, mirror-likeLowHighlights and folds that poolExact color under a glare, puckered seams
ChiffonAbout 30 to 70 GSMVery highSoftHighFloat, flutter and layeringHow sheer it really is over skin
OrganzaAbout 25 to 70 GSMVery low; holds volumeSoft glintHighCrisp volume and the sheer gridThe support a big volume needs
TweedAbout 300 to 650 GSMVery lowMatteMediumFlecked, multicolor yarns and boxy shapesFraying edges, matching the pattern at seams
JerseyAbout 140 to 380 GSM, single jersey to ponteHighMatteMedium to highCling and soft folds on the bodyStretch, recovery, edges that roll
NeopreneScuba knits about 280 to 400 GSM; true neoprene 2 to 3 mmVery lowSoftVery lowClean raw edges and sculpted shapesThickness at seams and how hot it wears
PolyesterAbout 80 to 300 GSMLow to mediumEven, soft to highLowEven sheen and sharp printsStretch, static, warmth

Choosing between two fabrics

Keep the garment fixed and change only the cloth. Photograph a swatch of each candidate in the same light, run the same idea on each, and lay the results side by side: differences in drape and sheen that are hard to put into words are easy to see next to each other.

Then order physical swatches of the two that survive, and a sample in the winner. The render saves the cost of sampling the cloths that were never going to work; it does not replace the sample of the one that might.

Questions

Is AI fabric simulation the same as a 3D drape simulation?

No. 3D garment software computes drape from measured properties of a cloth (weight, bending, stretch) on a digital pattern, and needs those measurements. An AI render draws what that fabric usually looks like on a garment, from a photo or a name. It is faster and needs no lab data, but it is an image: use it to choose, then confirm on a sample.

Which fabrics are hardest for AI to render?

Sheers, because how much skin shows through chiffon or organza depends on the light and the layers. Pile, because velvet changes shade with the direction of the nap. High-sheen satin, because studio light shifts its color. And any fabric chosen for how it feels, such as cashmere or a stretch jersey, since feel never reaches an image.

Can I render a blend, like cotton and linen?

Yes. The simplest way is to photograph the blend itself and give that photo to the fabric tool: the render follows how the cloth looks, whatever its label says. In the studio you can also describe it in words, such as a washed cotton and linen with a slubby surface.

What is the difference between the fabric tool and the studio's fabric simulation?

The fabric tool starts from a cloth: one photo, six garments proposed for it, and free renders to begin. The studio's simulation starts from a garment: one design shown in several fabrics side by side, at 5 credits a fabric, with an account.

Is there a free way to try it?

Two free renders, shared across all our tools. No account. Then 5 credits ($0.50) a render; a free account opens with a one-time welcome of 50 credits, then gets 15 credits a month.

Every fabric page