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Change direction for perimeter extrusion at odd layers. (#2413)

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* Change direction for perimeter extrusion at odd layers.

Initial test code based on supermerill/SuperSlicer@87245ae3c1

* Perimeters for both contours and holes can have alternating direction, to support overhangs on both side.
Also fixes wipe on loop.

* Only reverse order if the loops have steep overhang

* Support a special case that treat every layer as steep overhang

* Add options

* Disable overhang reverse if vase mode is enabled

* Allow extrusion reversal and skip overhang detection if fuzzy skin

---------

Co-authored-by: supermerill <merill@free.fr>
Co-authored-by: SoftFever <softfeverever@gmail.com>
This commit is contained in:
Noisyfox 2023-10-21 04:23:05 -05:00 • committed by GitHub
parent bbfb9d77fa
commit 951252c597
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12 changed files with 199 additions and 35 deletions
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src/libslic3r/Layer.cpp
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@ -174,6 +174,8 @@ void Layer::make_perimeters()
&& config.gap_infill_speed.value == other_config.gap_infill_speed.value
&& config.filter_out_gap_fill.value == other_config.filter_out_gap_fill.value
&& config.detect_overhang_wall == other_config.detect_overhang_wall
&& config.overhang_reverse == other_config.overhang_reverse
&& config.overhang_reverse_threshold == other_config.overhang_reverse_threshold
&& config.opt_serialize("inner_wall_line_width") == other_config.opt_serialize("inner_wall_line_width")
&& config.opt_serialize("outer_wall_line_width") == other_config.opt_serialize("outer_wall_line_width")
&& config.detect_thin_wall == other_config.detect_thin_wall