[Prusa], the man, not the printer, has just released a multi-material upgrade for the Prusa i3 mk2. This upgrade allows the i3 mk2 to print in four colors using only one hotend, and does it in a ...

There was a lot of excitement about Prusa’s Multi-Material Upgrade (MMU), and as they moved from the initial version that required a stepper motor for each material to the far more refined ...