When is a hot glue stick not a hot glue stick ... The result is a bit like a plus-sized 3D-printing pen, but much simpler and capable of much heavier extrusion. But it wasn’t quite as simple ...

but when you consider that there are other interesting materials which are only available in stick form it’s clear that this goes beyond the glue. If you’re up for more hot glue gun oddities ...

The Bosch Cordless Hot Glue Gun GluePen (to give it ... This generally leads to said glue stick falling out as soon as you move the pen on the first couple of occasions you try it.