Autodesk's "Project Escher" was intended to do just that. The machine was built by Titan Robotics and uses Smoothieboards but the main issue is getting all the

Autodesk's "Project Escher" was intended to do just that. The machine was built by Titan Robotics and uses Smoothieboards but the main issue is getting all the controllers to recognize where the other heads are in real time. Setting the CAM system to attempt to keep them all sync'ed doesn't always work as intended due to the way the firmware on the control board processes the incoming gcode. https://www.engineering.com/3DPrinting/3DPrintingArticles/ArticleID/14149/Autodesk-Project-Escher-Finds-First-Commercial-Release-in-Cronus.aspx https://www.engineering.com/3DPrinting/3DPrintingArticles/Ar...