================================================
 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

Copyright 2014 David Douard <david.douard@gmail.com>.
Distributed under the LGPL licence.