Make an optical illusion toy
A Victorian optical toy: draw a bird on one side and a cage on the other, thread elastic through the side holes, twist and pull, and the bird appears inside the cage.
Prints flat as a plate, no supports.
Filament: at most about 12.4 g of PLA printed solid (roughly $0.25 at $20 per kg); normal infill uses less.
To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).
The thaumatrope spinning disc model measures Ø 80 mm, 7 mm tall. You can change every size in the free SO3D.xyz generator before you download it.
No. Prints flat as a plate, no supports.
At most about 12.4 g of PLA (10.0 cm³ printed solid), roughly $0.25 of filament at $20 per kg. Normal infill uses less.
Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.
Change the size, walls, dividers, holes and labels of the thaumatrope spinning disc model in your browser, then download it for your printer. Free, no CAD needed.
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