https://github.com/pyro9/PrusaSlicer
https://github.com/pyro9/PrusaSlicer/...

4axis2 based on 2.7.0-alpha1
4axis1 based on 2.6.1

settings:
Configuration-Preferences-General
No gravity, parts can float

Expert

Print Settings-Output options-Advanced Output
Errors are warnings

Print Settings-Output options-Sequential printing
Complete individual objects

Filament Settings-Filament Overrides
Lift Z = 4mm

Printer Settings-Custom G_code-Between objects G-code
M600

~/.config/PrusaSlicer
~/Library/Application Support/PrusaSlicer

c:\Users\YourName\App Data\roaming\slicer
c:\Documents and Settings\YourName\Settings\Slicer

00:00 Intro
02:50 Configure
03:42 Slicing wlk-through
06:18 Gcode preview and step-through
07:00 Add a model of your nozzle.
10:15 Nozzles for better results
11:17 Final note