Given some biodegradable 3D printing filament and tasked with doing something creative with it, Vimal Patel built an extruder using Lego, attached it to a rather ordinary hot glue gun and ended up ...

Tired of the same old, boring laminated pattern that’s in all of your 3D printed stuff? Industrial design student Vimal Patel was, and so he decided to fashion himself a 3D doodler, out of a hot glue ...