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This is a Python package for generating involute gears—both within Python and from the command line. Gears can be exported in either DXF or SVG format.
The tooth faces are comprised of polylines, which consist of anumber of points connected by straight lines; thus, the faces are approximations.
Command-Line Usage
Gears can be generated from the command line.
The following example will generate a 48-pitch, 32-tooth, 20-degree pressure angle gear and export it as a DXF:
The following example will generate a 48-pitch, 24-tooth, 20-degree pressure angle gear with a kerf of 1/100 and a bore of 1/8 and export it as an SVG (scaled by a factor of 500):
To see all options, use the
-h
flag:Python Usage
The following example will generate a 48-pitch, 32-tooth, 20-degree pressure angle gear and export it as a DXF:
The following example will generate a 48-pitch, 24-tooth, 20 degree pressure angle gear with a kerf of 1/100 and a bore of 1/8 and export it as an SVG (scaled by a factor of 500) with a magenta stroke color:
More examples of Python usage can be found within the
testing/
directory.