I have achieved Multi Material greatness - PLA + TPU on MMU3 : r

Kemtek Fila-Ment TPU

Prusa XL - Multi-Material Testing (TPU and PLA)

Flashforge Adventurer Lite 3D Printer Review: More

Prusa XL - Multi-Material Testing (TPU and PLA)

MMU3 Review : r/prusa3d

Prusa XL - Multi-Material Testing (TPU and PLA)

MMU3 Tip Tuning - Page 2 – Assembly and first prints

Prusa i3 mk3 & mk4 users group

Cheap 3D Printers - best budget 3D Printers - 3D Scan Expert

Cheap 3D Printers - best budget 3D Printers - 3D Scan Expert