The hot glue sticks are fed into the nozzle with the help of a 3D printed gear and a stepper motor driver. After the break, you can see [Chris]’s hot glue gun RepRap printing a 10cm cube.

This led him to print a feeder for his Cube 3D printer. We’re skeptical about the Cube 3D printer’s cartridges. They contain a spool of filament, but also include a chip which reports back the ...