[Design Prototype Test] got a box in the mail. Inside? An E3D “tool changer and motion system.” Superficially, it looks like a 3D printer, but it is touted as a machine that can mount several ...

Multicolor printing on FDM machines can be tricky to get working flawlessly, and purging hotends when changing colors can end up wasting a lot of filament and material. To solve this problem for the ...