FabWiki CAM

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• GCAM is the GNU Computer Aided Manufacturing open source package. It currently supports any 3-Axis Computer Numerically Controlled (CNC) mill such as the Taig or Sherline in both english and metric units.
  

• Manual
  

• Tutorials - not many available yet
  

• Sherline 2010 Metric CNC Mill configuration
  

• <machine name='Sherline 2010 Metric CNC Mill' travelx='203.0' travely='178.0' travelz='137.0' maxipmx='200.0' maxipmy='200.0' maxipmz='200.0'/>
  

• CamBam is an application to create CAM files (gcode) from CAD source files or its own internal geometry editor. Free and commercial versions available.
  

• cam.py Gershenfeld's Python script to convert various formats to g-code
  

• Simple EMC G-Code Generators written in Python
  

• Image to G-Code Chris Radek's Python scripts. (I've used these successfully)
  

• TTT Chris Radek's TrueType tracer with DXF and G-Code output
  

• How to export Inkscape 2D drawings to G-code
  

• MecSoft FreeMill is a fully functional 3D Milling package that allows you to import VisualMill 4.0, STL, Rhino .3dm, VRML and Raw Triangle files, run full simulations on your part models and output G code to your machine tool.
  

• Vectric VCarvePro, Cut3D, Cut2D, PhotoVCarve inexpensive commercial CNC