Cura LulzBot Edition
Retraction
Retraction settings control how the lament is pulled out of your hot end
when it is not extruding. Getting these settings just right will prevent
leaked lament from falling on your part during travel moves and dual
extrusion.
Enable Retraction
Enabling retraction causes the lament to be backed out of the hot end
when not in use. This prevents lament from leaking on your part during
travel moves, and when the hot end is not in use. Some more exible
laments can be more reliable with this turned o, as it will prevent
jamming and kinking of the lament within the hot end.
Retract at Layer Change
Retract at layer change will have your extruder remove lament from the
hot end when moving up in layers, and positioning to the beginning of the
next layer.
Retraction Distance
The retraction distance will determine how much lament is removed from
the hot end during regular retraction moves. A good general starting point
is between 1 mm and 3 mm.
Retraction Speeds
The retraction speed setting will determine at what speed you retract
lament from your nozzle, and what speed that lament is re-inserted
into the nozzle during normal retraction moves. In general, a speed
from 10 mm/s to 25 mm/s is good for most laments. You can specify
separate retract and prime speeds using retraction retract speed and
retraction prime speed.
Retraction Extra Prime Amount
Retraction extra prime amount will add extra material when priming the
nozzle after a retraction. This can be helpful for materials that are springy,
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