Let pupils leave the classroom with a pass
A tough hall pass for school corridors: hang it on a lanyard through the hole, and the class name goes in the raised text.
Prints flat as a plate, no supports.
Filament: at most about 38.6 g of PLA printed solid (roughly $0.77 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 classroom hall pass model measures 120 × 70 × 9 mm (width × depth × height). 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 38.6 g of PLA (31.1 cm³ printed solid), roughly $0.77 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 classroom hall pass model in your browser, then download it for your printer. Free, no CAD needed.
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