Demonstrate curves of constant width
Print three of these Reuleaux rollers, lay a book on top and roll it along: the book glides perfectly level even though the rollers are not round, a classic demonstration of curves of constant width.
Prints as shown on its outline, no supports.
Filament: at most about 27.5 g of PLA printed solid (roughly $0.55 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 constant-width roller model measures 60 × 60 × 30 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.
No. Prints as shown on its outline, no supports.
At most about 27.5 g of PLA (22.2 cm³ printed solid), roughly $0.55 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 constant-width roller model in your browser, then download it for your printer. Free, no CAD needed.
SO3D.xyz is free and built by one maker. Help keep it running.
Be one of the first supporters this month.