FreePiranha Plant
Printables
7 model
Free
FreeTriple Bowden Rubberband Extruder Drive for Tri-colour
Thingiverse
FreeDual & Triple Extruder (carriage)
Thingiverse
FreeKossel triple fan duct for E3D-V6 or Volcano extruder
Thingiverse
FreeHE3D triple extruder (3in1out) cooling fan system
Thingiverse
FreeSingle Extruder - TRIPLE Color - Sleepy Cat
Printables
FreeTriplestruder - 3 colour filament swapping extruder
Thingiverse