CAD文件dxf格式转化为G代码的软件，非常好用，而且源码开源的，可以作为学习参考的例子-Dxf format CAD file into a G-source software, very easy to use, and the source code open-source can serve as a useful example to study

DXF to Gcode conversion program

Image to Gcode conversion tool. Gcode, also called ISO codes, are programs that CNC (computer numerical control) machines use to do parts. This little software allows you to produce "relief printing" (3D printing) of your image.

在inkscape中将矢量图转成gcode(Converting Vector Graph to gcode in Inkscape)