Draw large circles without a beam compass
Pin the end hole to the paper with a drawing pin, put a pencil tip in the hole for 30 to 180 mm radius and swing: big circles for diagrams, posters and signs that an ordinary compass cannot reach.
Prints flat as a plate, no supports.
Filament: at most about 13.1 g of PLA printed solid (roughly $0.26 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 strip compass for large circles model measures 200 × 18 × 8 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 13.1 g of PLA (10.6 cm³ printed solid), roughly $0.26 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 strip compass for large circles model in your browser, then download it for your printer. Free, no CAD needed.
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