once I had figured out how to print my own “glue” sticks out of PLA. The result is a bit like a plus-sized 3D-printing pen, but much simpler and capable of much heavier extrusion. But it wasn ...

The part that pushes the glue stick into the hot end snapped in two ... We think this entry into our Repairs You Can Print contest is a perfect example of the everyday utility of 3D printers.