and squirts it out in a manner precise enough to build objects one layer at a time. [Chris] made his own extruder out of a hot glue gun and made it so simple we’re surprised we haven’t seen ...

The battery that attaches to the stand has enough power for about 2 hours of continuous heat, and its four-bar power indicator shows ... objects and lightweight materials. Full-size hot glue guns ...

A glue gun that dispenses molten PLA instead of hot glue turned out to be a handy tool for joining 3D-printed objects together ... stick of PLA was enough to show that the 80 W glue gun was ...