Making Sense of the Purge Block in 3D Printing
If you've spent any time with multi-material 3D printing, you've definitely seen a purge block sitting on the edge of your build plate, looking like a colorful, solid brick of wasted potential. It's one of those things that most beginners find a bit confusing—or at least a little bit annoying—because it feels like you're literally throwing money away. Why do we need this extra chunk of plastic, and is there any way to make it less of a headache? ...