The Prusa i3 was one of the best reviewed 3D printers of the past year, and we check out their newest upgrade that allows for 4-color printing with just one hot end. Sean chats with Josef Prusa himself to talk about how multi-filament printing works and why it's no easy feat.
Shot by Gunther Kirsch and edited by Norman Chan
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Prusa i3 3D Printer Upgrade Prints 4 Colors! ─ Tested
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