This is a performance of a BCN3D+ single extruder to dual independent extruder.
You will need:
-screews from original design for mounting this mod
-Arduino DUE + RADDS 1.5
-nema 17 for the 2nd X axis
-gt2 20 teeth pulley
-gt2 belt for both x carriage
-another full X carrige (4x LM8 linear bearings, hotend, extruder motor,...), you can print the carriage plate. (next mod will use bowden and smaller carriage)
-Arduino 1.5.5 software
-8x LM8 linear bearings
-1x endstop more
-Another spool support
Let me know if any of you have doubts.
01/2017 - Working on repetier firmware
1st version of repetier firmware with dual independent extruder.
You need a tool change script (with firmware download in a .txt) I recomend you simplify3D.
Take a look how it works: https://www.facebook.com/print3dprojects/videos/473627216180106/
BCN3D+ Z Wobble mod by Print3dProjects