TutuModel
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Make a Teaching aid with AI — describe it, get a model

Solids, fraction sets, mechanism models — easier to explain when you can hold it

Describe the Teaching aid you want and the model appears. Dimensions, holes and clips stay editable.

How it works

  1. 1

    Say what you need

    Sizes, holes, what it fits — the more specific you are, the closer the first version lands.

  2. 2

    Fix it on the model

    Click whatever is wrong and say a sentence, or drag it. Only the part you pointed at changes.

  3. 3

    Export and print

    Once wall thickness, overhangs and watertightness check out, export STL or 3MF and slice.

About this kind of model

Is it safe for students?
Round every edge (say "1 mm fillet on all outer edges") and keep loose pieces above 3 cm for young children. Print in PLA rather than ABS — ABS smells while printing.
Can I get exact dimensions?
Yes. Every dimension takes a typed value — dragging is just the fast way in. That is what mating parts, snap-fits and hole alignment need.
What if it does not fit when printed?
Measure the real object first, then state those numbers — that alone gets most parts right on the first try. And leave tolerance: 0.2–0.4 mm is typical for snap-fits, depending on your printer.
Can I reprint it at another size?
Yes, and this is where it saves the most time: make the key dimension a parameter and a new size is one number away — the whole model recomputes itself.
Will my slicer read the file?
Yes. STL is universal; 3MF carries real units, so nothing arrives 1000× too small.

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