Triple extruder single nozzle.
Can easily be used as a dual extruder also, just don't mount the third motor.
Bom list:
3 Pcs. Extruder:
http://www.robotdigg.com/product/90/Geared+Nema17+Stepper+Motor
This extruder design can be used: http://www.thingiverse.com/thing:1078763
4 Pcs. 1/8" Push through fitting Model : JPC4-01
http://www.robotdigg.com/product/755
Some TPFE tube OD 4mm ID 2mm (for 1.75mm filament)
http://www.robotdigg.com/product/133/
Printing 3 color:
https://youtu.be/9kVKPht1mvg
https://www.youtube.com/watch?v=7BoGNR9Yfug
https://www.youtube.com/watch?v=XM3e9dSCicQ&t
I haven't enough stepper motor to test the 9 color vision. Hope somebody else have the guts to try this :-)
Triple_filament_splitter.STL | 10.5MB |