TutuModel
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Describe it. Print it.

No CAD to learn. Say what you need and the model appears — wrong size? Just say so, then export and print.

Runs in your browser, nothing to install. Exports STL / 3MF that any slicer reads.

What people are making

Pick the closest one — each has a ready-made sentence you can edit.

Showcase →

What it does

  • One sentence, one model

    Just be specific: how long, how wide, how many holes and where. You get real geometry, not a picture.

  • Point at it and say what to change

    "Move this hole 5 mm left." "Make the wall thicker." Click the face and say it — nothing else moves.

  • Or just drag

    Prefer the mouse? Drag any dimension, then click to type the exact number. That is how snap-fits get made.

  • Change one number, everything follows

    Make "phone width" a parameter and a new model is one number away — the whole case recomputes itself.

  • Checked before you print

    Thin walls, steep overhangs, a mesh that is not watertight — the things your slicer complains about, caught here first.

  • Export and print

    STL, 3MF (with real units, so nothing arrives 1000× too small) and OBJ. Every printer, every slicer.

Three steps to your first one

  1. 1

    Say it

    Describe what it is for, how big it is, and any holes or clips. Plain language.

  2. 2

    Fix it as you watch

    The model spins right there. Click whatever is wrong, say a sentence or drag it, see the result immediately.

  3. 3

    Export and print

    Once the checks pass, export STL or 3MF, drop it in your slicer, print.

Common questions

I have never used CAD. Can I still use this?
That is exactly why it exists. If you can say what it is for, how big, and where the holes go, it does the rest. Ask it whenever you are stuck.
Will it actually print?
Yes. Before export it checks wall thickness, overhangs and watertightness — the three things that most often ruin a print. The 3MF carries real units, so it will not show up in your slicer 1000× too small.
Can I get exact millimetres?
Yes, and that is the point. Every dimension takes a typed value, which is what snap-fits and mating parts need. Dragging is just the fast way in; your number wins.
Do I need a powerful computer?
A normal laptop is fine. It computes in your own browser — nothing uploaded, no queue. Without GPU acceleration it falls back to a slower compatible mode that still works.
Do I own what I make?
Yes. Your models and their source files export in full whenever you want. Nothing is locked in here.
Is it free?
The basics are free. AI generation has a daily allowance; when it runs out you can keep editing and exporting yourself.

Make one now

Try it without signing up. Save it once you like it.