LEGO 3d Printer: This LEGO printer is based on the Prusa I3 rework printer. The printer started as a A4-plotter with stepper motors from an old HP printer. After upgrading the stepper motors to Nema 17 motors I decided to build a X, Y and Z axis machine. This evol. Joel Murphy & Conor Russomanno is raising funds for OpenBCI: Biosensing for Everybody on Kickstarter! Announcing the GANGLION and the…