Prusa Research 3D printers - Multi Material 2.0 for MK3 allows to print from up to 5 different materials at once - more info at https://shop.prusa3d.com/en/printer-upgrades/183-original-prusa-i3-mk3-multi-material-upgrade-kit.html | Facebook
Original Prusa i3 MK3S+ Review: Best 3D Printer Under $1000 | All3DP