Stand pens upright in a sea-urchin dome
A pen holder based on a sea-urchin test. Eight pens stand apart in the pierced top so they never lean on each other, which makes it easy to grab the right one. The hollow body below keeps the tips off the desk.
Holes take pens and markers up to 12 mm.
Prints as shown on its floor, no supports. Stacked parts are fused into one print.
Filament: at most about 130 g of PLA printed solid (roughly $2.60 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 urchin pen hedge model measures Ø 110 mm, 76 mm tall. That is Base A; one more base is built on. You can change every size in the free SO3D.xyz generator before you download it.
No. Holes take pens and markers up to 12 mm. Prints as shown on its floor, no supports. Stacked parts are fused into one print.
At most about 130 g of PLA (105 cm³ printed solid), roughly $2.60 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 urchin pen hedge model in your browser, then download it for your printer. Free, no CAD needed.
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