GCode Viewer A web-based 3D viewer for GCode files. Built using WebGL and three.js. Use it http://gcode.joewalnes.com/ To learn more, read my blog post: http://joewalnes.com/2012/04/01/a-3d-webgl-gcode-viewer-for-understanding-3d-printers/ Open sourced under MIT license. -Joe Walnes