Let’s be honest, multi-extruder 3D printers don’t work the greatest — even MakerBot decided to get rid of the feature in their latest line of printers. So what are you going to do when you ...

The benefits of having a 3D printer with multiple ... impractical with each extruder you add, and that’s why it’s uncommon to see more than two extruders on a printer. Over on Hackaday.io ...