DIY 3D-Printer Build (From Scratch) - Part 1: Overview and materials - Ec-Projects April 29, 2017 3D Printer 3D Printing (Invention) +7 Arduino (Brand) diy Do It Yourself (Hobby) electronics home made makerbot mega 2560 ramps RepRap Ultimaker 3D Printer 3D Printing (Invention) Arduino (Brand) diy Do It Yourself (Hobby) electronics home made makerbot mega 2560 ramps RepRap Ultimaker