If you’re building a 3D printer, the most complicated part is the extruder. This part uses a series of gears to pull plastic filament off of a spool, heats it up, and squirts it out in a manner ...

[Proper Printing] didn’t just think it ... parts of the extruder before he finally ended up with the plastic shell of the glue gun as part of the assembly. The last touch is a glue stick ...

Maker Jón Schone recently showcased a slick new design that bridges the chasm between his first love of 3D printing - and hot ...