What Is 3D Printing and How Does It Work? | Mashable Explains
>> Speaker 1: 3D printing technology's already changing the way we produce objects from tools and toys to clothing and even body parts. 3D printing is part of a process…
RAMPS 1.4 – Adding 3 or more Extruders
Okay, I'm gonna show you how to add a third extruder, but I want to show you a couple quick things quick first this is a stepper board buy made…