Homemade 3D Printer -- Part 4 : oooh Yeah !

4th video update of my home made 3D printer . I've rebuild the filament feeder and the heater element of the extruder , and finally succeed to 3D print something :) L297 with ULN2003A How to Video : https://www.youtube.com/watch?v=81nMPQH0e30