At the time of writing (October 2026), AI pattern makers draft the garments that come from standard flat-pattern blocks: skirts of every shape, shift, fit-and-flare and slip dresses, T-shirts and woven tops, sweatshirts and hoodies, pull-on trousers and shorts, unlined jackets without collars, and accessories such as bags, hats and cushion covers. They do not yet draft tailored jackets with lapels, coats, jeans with a fly front, shirts with collar stands, lingerie, swimwear or knitwear. The reason is not the AI but the drafting engine behind it: each garment type has to be programmed as a block with its own rules before a photo or a description can be turned into one.
How does an AI pattern maker decide what it can draft?
Most tools work in two stages. The AI reads your photo or words and recognizes the garment: a knee-length A-line skirt, a boxy blouse with puff sleeves, wide pull-on trousers. Then a drafting engine, which is ordinary pattern-making code, draws the pieces from a pattern block with your measurements and the right ease. The engine only knows the garment types someone has written rules for, so the AI picks the closest one from that library.
That is why the honest answer to "can it draft X?" is a list rather than a yes. The two-stage drafting process post explains both stages in detail; the list below is what a library of this kind covers today.
Which garments are in the library?
The library below has 20 garment types. Other tools have longer or shorter lists, but the categories are similar, because they follow the same blocks taught in pattern-making courses.
| Family | Garments | Options you can ask for |
|---|---|---|
| Skirts | A-line, circle, gathered and tiered, pencil, wrap | Length from mini to maxi; full, three-quarter, half or quarter circle; tiers; waistband with zip or elastic |
| Dresses | Shift, fit-and-flare, slip | Neckline, sleeves of any length or straps, A-line, gathered or half-circle skirt, pockets, back zip or keyhole |
| Tops | T-shirt and tank, woven top and blouse | Fit from fitted to oversized, neckline, sleeve length and shape (straight, puff, bell), shell, boxy or button front |
| Sweats | Sweatshirt and hoodie | Crew neck with ribbing or lined hood, kangaroo pocket, fit, length |
| Trousers | Pull-on trousers, pull-on shorts | Wide, straight, tapered or jogger leg; length; pockets |
| Jackets | Kimono jacket | Hip to robe length, sleeve length, front band width, tie belt, patch pockets |
| Objects | Tote bag, zip pouch, bucket hat, scrunchie, cushion cover, apron | Dimensions, lining, handles, inside pocket, reversible hat |
Within each type the options are what make the difference between a plain shift and a dress that looks like the one in your picture. Browse the pattern pages to see every option of every garment with its drawing.
Which garments can AI pattern makers not draft yet?
Be clear-eyed about the gaps, because they fall on exactly the garments people most want to copy.
- Tailored jackets and coats. A blazer needs a two-piece sleeve, a collar with a stand and fall, a lapel with a roll line, chest shaping, canvas or fusible structure, and a lining drafted to match. Each is a block of its own with fitting rules, and none of them is in the library yet.
- Jeans and trousers with a fly front. The fly, the curved yoke on the back, the waistband with a button extension and the contoured rise make jeans a different draft from pull-on trousers, even if the leg shape looks the same.
- Shirts with collar stands. The classic shirt collar, the front band and the sleeve placket with a cuff are tailoring details that the woven top block does not include. A button-front blouse with a plain neckline is as close as it gets.
- Lingerie and swimwear. These need stretch-specific blocks with negative ease, elastic application rules and cup shaping.
- Knitwear. A knitting pattern is a different craft; a sewn garment in a knit fabric (a T-shirt, a sweatshirt) is fine.
When you upload one of these, a careful tool says so and offers the closest garment rather than pretending. A trench coat becomes a long kimono jacket; jeans become straight pull-on trousers with patch pockets. Sometimes that is a good starting point, sometimes it is not what you wanted, and knowing before you start saves the fabric. The what AI cannot do in sewing post goes through the other limits, such as fit checks and fabric behavior.
Can an AI draft a garment with an unusual detail?
It depends on whether the detail is an option or a new construction. Length, neckline, sleeve length, fit, skirt fullness and pockets are options: changing them redraws the pattern. A yoke, a collar with a stand, a bound buttonhole or a welt pocket is a construction that must exist in the block. If it does not, the AI will draft the garment without it and you add the detail yourself, using a technique guide such as how to sew a yoke or the welt pocket tutorial.
A good test before you rely on any tool: describe the detail in words and see whether the pattern changes. If nothing moves, the detail is not supported.
Is the list growing?
Yes, because adding a garment means writing a block, not training an AI. Tools of this kind add garments a few at a time, usually the ones users ask for most. If the garment you want is missing today, the practical options are to sew the closest one from the library and alter it, to draft that piece yourself from a book or course, or to buy a conventional pattern for that one garment. The comparison of AI drafting with drafting by hand weighs the time each takes.
What does "draft" mean in practice?
For the garments it covers, a drafting engine produces the full pattern: every piece with seam allowances, grainlines, notches and cut counts, plus the fabric quantities and the order of construction. Sewly, for instance, includes 1.5 cm (5/8 in) seam allowances on wovens and 1 cm (3/8 in) on knits by default, and prints at true scale on A4, Letter, A3, A0 or to a projector file. That is the same output you would get from a traditional pattern, drafted to your measurements rather than to a size chart. What it does not do is fit the garment on your body; a toile remains your job.