This is a screw toy that can be print in place as an assembly with mobile nut and screw. I call it “impossible” because the nut cannot be removed from the screw (without breaking it), and can only be assembled by 3d printing.
This is meant to be a demonstration toy of how 3d printers can be used to build an assembly with moving parts.
The assembly may need some breaking in before the parts move smoothly. I tried to make the clearance large enough so the parts will not fuse together while printing, but not too large so the assembly still performs like a screw and nut pair.
The longer version is designed so it will fit in 140 mm print space.
This article was first featured at https://ift.tt/3cpRm8D on February 29, 2020 at 09:27PM by plusalphaDesigns
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