Trapped PingPong Ball Puzzle
thingiverse
Impossible box printed around a ping pong ball, or golf ball - the trick to printing this lies in inserting the ball while it's still being printed. I accomplished this by doing two of them at once and dropping the ball in when it was half-printed and the print head was working on the other one. Another approach is pausing part way through if your printer supports it. Original design available in OnShape: https://cad.onshape.com/documents/3e1b1e399119f5b2386fac06 Print Settings: Printer: Dremel IdeaBuilder Rafts: Doesn't Matter Supports: No Resolution: 0.2 Infill: 15% Notes: This should print fine without supports and infill doesn't matter much.
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