The Bosch Cordless Hot Glue Gun GluePen (to give it ... or the time it takes to melt through six glue sticks, and is recharged via a standard mini-USB cable, which most people have lying around ...
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.
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