atom 3D Printer based on RepRap About this printer; This is "atom" open-source 3D printer based on RepRap project, and the base structure is Prusa i3. All CAD data is built from scratch in Japan. The scale of this printer is Reprap Huxley and print area on XY is same, but Z is bit higher. atom aims to fit in small space since most of desktop environment is not that big in Japanese residence. atom