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"Herringbone racks and pinions might well be a practical, printable alternative to belts for high speed, NEMA stepper driven Reprap machines." -- Forrest Higgs[1]; [2]; [3]; RBS/Rack

A herringbone planetary gear can be used as a thrust roller bearing.[4]

basic gear

This is a basic gear, it may need some improvements.

basic gear, may need some improvements.


File format Extension File (click to download) Approx File Size How created Comments
STL .stl File:Gear.STL 152 kb Exported from 3d Studio max v8