老外用VB写的CNC仿真程序源码，可以载入G Code，还有OpenGL的3D图,Written in VB source CNC simulation program

Candle 2 ----------- GRBL and GRBL-Advanced controller application with G-Code visualizer written in Qt. Forked from [denvi/Candle](https://github.com/Denvi/Candle). Supported functions: * Controlling GRBL-based CNC-Machine via console com