Here you can find links to my journey with a poorly documented, behemoth of a machine called the Revolution Prototyping Machine (RPM) by Q3D, formerly Quintessential Universal Building Devices, formerly QU-BD (now defunct). Although I've built other printers before, this is my first from-scratch all-metal printer, and certainly the largest with a build area of 12.5" x 13" x 11". Eventually, I hope to mount my Chimera extruder and print gigantic, multi-material projects!

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