A glue gun that dispenses molten PLA instead of hot ... In this case I had recently segmented a large, hollow, 3D model into smaller 3D-printer-sized pieces and printed them all out, but found ...

[Proper Printing] didn’t just think it, he’s made a working hot glue 3D printer. As you’d expect, it’s the extruder which forms the hack here. A Dremel hot glue gun supplies the hot end ...