Toroidal screw and nut
cults3d
This is a unique and brand new gadget. An awesome idea came true: a screwed torus and a working nut! The screw is not self closing, the nut can move with the help of its weight, the short video demonstrate this. The torus and nut are printed together with 0.2 mm radial clearance, so the nut can not be removed or assembled, however it can be turned around the torus. Because of this, only SLS or SLA technology is applicable for the correct model. The nominal dimensions are shown in the attached drawing.
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