Please find below the parameters and scripts used for Leapfrog Creatr dual and Simplify3D.
G28 F1200 ; home all axes
T0 ; switch to right extruder
G1 Z0.2 ; raise nozzle
G92 E0 ; zero extruder
G1 E3 F225 ; purge nozzle
T1 ; switch to left extruder
G92 E0 ; zero extruder
G1 E3 F225 ; purge nozzle
G1 Y15 Z0.05 F1200 ; slow wipe
G1 Y20 Z0.25 ; lift
G92 E0 ; zero extruder again
Extruder
Extruder tool index (Left): 1
Extruder tool index (Right): 0
Nozzle Diameter: 0,35mm
Extrusion multiplier: 1,00
Extrusion width: 0,4mm
Retraction Distance: 1mm
Retraction Speed: 1800mm/min
G-code
Machine type: Cartesian Robot (rectangular volume)
Build volume (XYZ) 270, 280, 180
Origin offset (XYZ) 0, 0, 0
Homing dir (XYZ) Min, Min, Min
Flip Build Table axis: Y
Firmware type: Marlin
Speeds
Default: 3600 mm/min
Outline underspeed: 50%
Solid infill Underspeed: 80%
Support Structure underspeed: 80%
X/Y Axis Movement Speed: 4800 mm/min
Z Axis Movement Speed: 1000mm/min
Tool Change Retraction
Tool Change Retraction Distance: 12mm
Tool Change Extra Restart Distance: -0,5mm
Tool Change Retraction Speed: 600mm/min