This set allows to turn the printer 3Drag from mono extruder for filaments 3 mm, dual extruder to filaments of 1.75 mm.

The kit includes:

1 controller board  for double extruder

2 extruders with nozzle 0.35 mm

2 heaters 15V 33 watt

2 drivers, high power chip DRV8825

1 stepper motor NEMA 17 (the second motor is to outfit the 3Drag)

the necessary mechanical fixing

connection wires

shrink tubing and cable ties for installation
 

N.B. to use this double extruder is necessary to remove the kit 3Drag, replace the control board with the one in the set, substitute drivers for stepper motors extruders with those in the set, download and update the firmware.

Warning! the second stepper motor is not included: the one already used in the kit of basic 3Drag.

The 3Dprinter 3Drag with double extruder

The 3D Controller board for 3D printer

3D Print Sample with 0.35 mm and 0.5 mm extruder

Documentation and useful links

Firmware for double extruder and alphanumeric display. The version presented here uses the driver motors 1/32 of steps, that comes with the K8203. If you want to use the original driver of 3DRAG (1/16 steps), you will need to lower the number of steps per mm extruder, passing from 150 to 75. ZIP K8203-PLA-STANDARD.INI Slic3r configuration file for standard PLA prints. Consult the K8200 manual on how to use this file. This file is only compatible with Repetier 0.90 and Slic3r 0.9.10b.