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FCGear: an Involute Gear Generator for FreeCAD
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This is a simple gear generation tool usable in FreeCAD. The tooth
profiles are approximations of the ideal involutes by Bezier curves,
according the paper:
Approximation of Involute Curves for CAD-System Processing
Higuchi et al. approximation to an involute.
ref: YNU Digital Eng Lab Memorandum 05-1
http://maekawalab-ynu.com/papers.html
This code is based on the JavaScript implementation of the published
method provided by A.R. Collins in his gearUtils.js tool:
Based on gearUtils-03.js by Dr A.R.Collins
Latest version: <www.arc.id.au/gearDrawing.html>
Also took inspirations from the Inkscape extension provided by Matthew
Dockrey on
https://github.com/attoparsec/inkscape-extensions.git
The simplest way to use it is to copy the example macro file
gear.FCMacro to ~/.FreeCAD/ (make sure the fcgear directory is in the
FreeCAD's Python path).
Copyright 2014 David Douard <david.douard@gmail.com>.
Distributed under the LGPL licence.
