With multi-segment displays, what you see available online is pretty much what you get. LEDs, LCDs, VFDs; if you want to keep your BOM at a reasonable price, you’ve pretty much got to settle for ...
The next frontier of desktop 3D printing is multi-material and multi-color prints ... glimpse of this machine in action, printing out multicolor fish. Here’s how Prusa’s 4-color mod works.