Slic3r in Depth
• Top solid infill
- Allow time for the extrusion to cleanly cover the
previous top layers and result in a tidy top surface. the last few layers
should have bridged the infill structure nicely, preparing the way for
a neat finish.
• Support material
- Generally support structures are quick and dirty,
and so long as the base is adequately supported they can be built as
quickly as they can.
• Bridges
- Having the extrusion span distances depends on the material
and cooling. Going too slow will result in sagging, too fast will result
in broken strands. Experimentation is the key here, but generally
bridging runs slower than perimeters.
• Gap fill
- Filling in small gaps results in the extruder quickly
oscillating and the resulting shaking and resonance could have a
detrimental affect on the printer. A smaller value here can guard
against this. A setting of zero disables gap filling completely.
• Travel
- As fast as your printer will allow in order to minimise ooze.
• First layer speed
- As mentioned in section 3.3, the first layer is
important to lay down correctly, and a slower pace helps enormously.
Setting a value of 50%, or even less, can really help.
Acceleration control is an advanced setting allowing acceleration settings
for perimeters, infill, bridge, as well as a default setting, to be made. Deciding
which values to set depends on the capabilities of the machine. Any settings
within the firmware may be a good starting point.
Take into account any restrictions enforced by the firmware as many
have settings for the maximum safe speed of each axis.
Infill Patterns and Density
There are several considerations when choosing an infill pattern: object
strength, time and material, personal preference. It can be inferred that a
more complex pattern will require more moves, and hence take more time
and material.
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