From this video you will know:
- about what type of part is best to reinforce with composite infill
- how to pick up right infill type for your pupposes
- how to set up infill by each type
- about each type of infill and its features
The do z-hop when retracted flag is the flag which switches on/off a nozzle z-hop mode when travel has retract. Choose this mode to improve external shell surface quality, but keep in mind that it sligtly slow down print process. Besides, it may produce strings between print areas, but usually it is easier to remove them than plastic drops.