3d Printable Round Threaded Lead Screw and Nut

Openscad version now available, neat and works as a real threadcutter on a lathe. ,be carefull of large numbers in openscad though if youre trying to cut profiles with zeros that are supposed tobe zeros but are not and are just very very large numbers. eg, using sin cos tan to draw a curve can result in what is zero/1 but is actually not.
Now with outfeed. Whatever math I did UMM I think 0.75 is 75% of the turns.


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Pair of STL files for generation of extendable leadscrew that you can ma