Teach place value with counters
A maths tray for hundreds, tens and ones: sort counters, sticks or beads into the three columns to build numbers and practise carrying and borrowing.
Prints as shown on its floor, no supports.
Filament: at most about 93.7 g of PLA printed solid (roughly $1.87 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 place value counting tray model measures 240 × 110 × 25 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 floor, no supports.
At most about 93.7 g of PLA (75.6 cm³ printed solid), roughly $1.87 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 place value counting tray model in your browser, then download it for your printer. Free, no CAD needed.
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