Just modified the bottom gear of the screwless heart gears to fit my old kysan DC extruder motor (which turns very slowly on 5V USB XD)
http://www.youtube.com/watch?v=YefD_BvxgzY
I'm excited to see other pepole try and print this! If you want the openscad file, let me know!
motorbase.stl | 1.5MB |