The next frontier of desktop 3D printing is multi-material and multi-color prints. Right now, you can buy a dual toolhead for a Lulzbot, and dual toolheads from other companies exist, although they… ...

One color, the fiberglass substrate, will be a pale yellow. The copper layer will be silver or gold, depending on the finish. The soldermask will be green, red, yellow, blue, black, white, and of ...