Keep colours in rainbow order and spot the missing one
A pencil stand shaped like a rainbow arch. Stand coloured pencils or felt tips upright round the curve in rainbow order, and you can see at once which colour is missing.
Prints as shown on its outline, no supports.
Filament: at most about 155 g of PLA printed solid (roughly $3.09 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 (a 3MF per part, plus a Bambu Studio / Orca Slicer project with every part on its own plate).
The rainbow-arch colour pencil stand model measures 220 × 50 × 75 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 155 g of PLA (125 cm³ printed solid), roughly $3.09 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 rainbow-arch colour pencil stand model in your browser, then download it for your printer. Free, no CAD needed.
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