The Fabricant AI fashion assistant: a fashion image attached and a one-sentence request to lengthen the skirt typed in the prompt box
Authored by
Kerry Murphy
Date Published
November 5, 2026

AI Fashion Assistant for Designers Who Do Not Want to Be Prompt Engineers: Three Use Cases

Less prompting, more designing.

By Kerry Murphy, CEO of The Fabricant. Last updated 5 November 2026.

The Assistant is an AI fashion assistant on The Fabricant platform. It lets fashion designers and brands describe a change to a garment image in one plain sentence and get a finished, high-quality image back. You attach the image, type what you need, and the Assistant chooses the tool, writes the full instruction and runs it. You get two results and pick the one you like. No prompt engineering, no settings, no AI expertise needed.

This post shows how it works, three of the jobs designers use it for most, and why every request comes back as option A and option B. Every image below was made in the Assistant from one uploaded photo, in one conversation.

The Assistant on The Fabricant platform with a fashion image attached and the request "Lengthen the skirt by 5 centimetres so the hem reaches the ankles" typed in the prompt box
Attach the image, type the change, send. The Assistant does the rest.

Do you need prompt engineering to use AI for fashion design?

No. The reason most AI image tools frustrate designers is that the result depends on how well you write the prompt. A good edit instruction names what is in the image, states the one change, lists everything that must stay the same and sets the right quality mode. Most designers do not want to learn that. They want to say "make the skirt ankle length" and get an ankle-length skirt.

The Assistant writes that instruction for you. You type the change the way you would say it to a colleague. The Assistant reads your image, works out which tool fits, fills in the full instruction and runs it in high quality.

Typing a prompt into a tool versus asking the Assistant

  • The tool: you choose it. With the Assistant, it is chosen for you.
  • The instruction: you write the full prompt. With the Assistant, you write one sentence.
  • Quality, size and ratio: you set them. With the Assistant, they are set for you, high quality by default.
  • The result: one image, rerun if it is wrong. With the Assistant, two images, pick the better one.
  • The next change: upload again. With the Assistant, your image stays attached.

How the Assistant works

Open the Assistant from the top right of the platform, or at app.thefabricant.com/pages/assistant.

  1. Attach your image. A product photo, a 3D render, a sketch or a packshot all work.
  2. Type the change you want in one sentence.
  3. The Assistant picks the tool and runs it. If your request is missing something the result depends on, it asks one question first.
  4. Pick option A or option B. Then type the next change. Your image stays attached.

If you are not sure where to start, click Examples under the prompt box. The sample image and the request are filled in for you, and you can swap the sample for your own image.

How do you shorten or lengthen a garment in an image with AI?

Attach the image and tell the Assistant the new length in words a person would use: ankle length, cropped at the waist, three-quarter sleeves, a cuff half as tall. You get two results, and one of them comes from a route that handles length and proportion changes especially well.

Length is the change designers ask for most and the one standard image tools get wrong most. A hem comes back untouched, or the whole garment is redrawn. The Assistant handles hems, cuffs, sleeve length, shirt length, skirt length and dress length from one sentence.

  1. Attach the garment image, on a model or on a mannequin.
  2. Type the change. We typed: "Lengthen the skirt by 5 centimetres so the hem reaches the ankles. Keep everything else exactly as it is."
  3. The Assistant confirms what it will do, runs the edit at 2K in the source ratio, and shows two results.
  4. Compare both against your sketch or tech pack and pick the closer one. Then type the next change in the same thread.
Before and after in The Fabricant AI fashion assistant: a model in a patchwork skirt with the hem above the ankle, and the same image with the skirt lengthened to the ankles, everything else unchanged
Left: the uploaded image. Right: the result the Assistant returned. The skirt now reaches the ankles and the model, jacket, bag, boots and background are untouched.

Tip: describe the length you can see, not only a measurement. "Two centimetres shorter" is smaller than the image can show. "Down to the ankles" or "cropped at the hip" gives the Assistant something to work with. If you want a measurement in the request, pair it with the visible target, as we did.

How do you make a 3D render look like a real photo with AI?

Attach the render and type "make this 3D render realistic". The Assistant asks what the fabric is, because the fabric decides how the garment creases, drapes and catches light. Answer in a few words, or attach a photo of the real fabric, and it re-photographs the garment as a real product with the design unchanged.

A render from your 3D software shows the design but not the garment. The surface is too smooth, the folds too even, the light too clean. For a line sheet, a buyer meeting or an e-commerce placeholder before the sample arrives, you need it to read as a photograph.

  1. Attach the render.
  2. Type "Make this 3D render realistic."
  3. Answer the fabric question. "Polyester tricot track jacket", "cotton poplin", "French terry".
  4. Pick the result that looks most like the real product.
The Fabricant AI fashion assistant turning a 3D render of a track jacket into a realistic product photo: the request, the fabric question, and the two results
The Assistant asks which fabric the garment is made of before it runs, then returns two results.

Tip: the fabric answer is what makes the difference. Real poplin creases, real fleece has a loop texture, real rib stretches at the cuff. Name the fabric and the Assistant adds the imperfections that fabric has in a photograph.

How do you make colourways with AI?

Attach one garment image and list the colours you want, one line per colourway, with a hex code for each zone. The Assistant recolours the garment zone by zone and leaves belts, zips, stitching and prints alone. Four colourways from one upload and one message.

A colourway is not "make it green". It is a specific colour on each panel with the trims left exactly as they are. Designers run these in series from the same base image, and the Assistant does the series in one request.

  1. Attach the garment. A packshot on a white background works best. We made ours in the same thread by asking the Assistant to remove the model and show the skirt on its own.
  2. Type the colourways. We typed: "Make four colourways of this skirt, one image per colourway. 1: upper patchwork panels #1F2A44, pockets #F2F0E8, lower panel #2F4442. 2: upper patchwork panels #7A1F2B, pockets #C9A66B, lower panel #1A1A1A. 3: upper patchwork panels #D9C8B4, pockets #6C5948, lower panel #3B5B7A. 4: upper patchwork panels #F2F0E8, pockets #2F4442, lower panel #6C5948. Keep the black belt, the zip and all stitching exactly as they are."
  3. The Assistant runs four edits and returns four images.
  4. Ask for the next set, or ask for one colourway on a model.
Four colourways of a patchwork cargo skirt made with The Fabricant AI fashion assistant from one packshot and a list of hex codes: navy and green, burgundy and black, sand and steel blue, off-white and brown
Left: the packshot. Then the four colourways the Assistant returned from one message. Belt, zip and stitching held in all four.

Tip: give the hex code and a plain colour word together, for example "#6C5948, a muted cool brown, not orange". Name every zone you care about, and name the details that must not change. Zones you do not mention are left to the Assistant's judgement.

Why you get two results: option A and option B

Every request comes back as two images. They are not two random variations. The Assistant runs your request through two different image routes, and each route is better at different kinds of change. One of them, for example, handles length and proportion changes better. Which route is A and which is B changes from request to request, so there is no fixed letter to pick. Compare both against your reference and choose the closer one.

Option A and option B in The Fabricant AI fashion assistant for a skirt length change: the uploaded image, result A with the hem at the ankles, result B with the hem slightly higher
The uploaded image, option A and option B for the same request. Both lengthened the skirt. A reached the ankles, so we kept A.

Your choice does more than select an image. Each time you pick A or B, the Assistant records which route gave the better result for that kind of request, and those choices are used to improve the results you get. The more you use it, the better it gets at matching your type of request to the right route. That is what makes it an assistant rather than a tool: it learns which answer you wanted.

Do you still need fashion AI prompts?

If you came here looking for fashion prompts, you can skip them. The Assistant writes the prompt. A prompt still helps in one case: when you know exactly which tool and settings you want, open that tool directly. For everything else, one sentence in the Assistant is enough.

What else can you ask for?

The three use cases above are the most common, but the Assistant handles the rest of the design workflow in the same way, and every step starts from the image you kept before it.

  • Remove the model and keep the garment. We typed "Remove the model and show the skirt on its own as a ghost mannequin packshot on a white background" and got the packshot used for the colourways above.
  • Put this garment on a model. Attach a packshot and ask for it on a model, in a studio, in the pose you want.
  • Turn my sketch into a product. A black-and-white flat becomes a photoreal garment. Name the colour and the fabric in your sentence, because the sketch does not carry them.
  • Change the fabric. Attach a swatch and ask for the garment in that fabric. Say it is a swatch, so the Assistant reads it as a material and not as a design.
  • Make a technical flat. Ask for a black-and-white technical drawing of the product photo for your tech pack.
  • Build an e-commerce set. Hero shot, back view and detail crop from one upload.
From an on-model fashion image to a ghost mannequin packshot of the patchwork skirt on a white background, made in The Fabricant AI fashion assistant in the same conversation
From the lengthened look to a clean packshot in one more sentence.

Frequently asked questions

Is the Assistant free to use?

The Assistant is part of The Fabricant platform and uses the credits of your plan. A result costs the same as running the tool directly.

Do I need to write prompts?

No. Type the change in a plain sentence. The Assistant writes the full instruction and shows you what it is about to do before it runs.

Can I keep editing the same image?

Yes. Your previous image stays attached in the thread, so each change starts from the result you picked.

What happens when I pick option A or B?

Your choice tells the Assistant which route worked for that kind of request, and it uses those choices to improve your results.

Try it

The Assistant is in beta and improves every day. Attach an image, type what you need, and pick the result you like.

Open the Assistant →