Frequently Asked Questions

noticing the curling at the very beginning of your print, please see
the Print Not Sticking to the Bed section to address first layer
issues.
15:Scars on Top Surface
One of the benefits of 3D printing is that each part is
constructed one layer at a time. This means that for each
individual layer, the nozzle can freely move to any portion of your
print bed, since the part is still being constructed down below.
While this provides for very fast printing times, you may notice
that the nozzle leaves a mark when it travels on top of a previously
printed layer. This is typically most visible on the top solid layers
of your part. These scars and marks occur when the nozzle tries to
move to a new location, but ends up dragging across previously
printed plastic. The section below will explore several possible
causes for this and provide recommendations for what settings can
be adjusted to prevent it from happening.
(1) Extruding too much plastic
One of the first things you should verify is that you are not
extruding too much plastic. If you extrude too much plastic, each
layer will tend to be slightly thicker than intended. This means that