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support blocker enforcer issue #6240

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fbujold opened this issue Mar 19, 2021 · 3 comments
Closed

support blocker enforcer issue #6240

fbujold opened this issue Mar 19, 2021 · 3 comments

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@fbujold
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Version

2.3.0+64

Operating system type + version

windows 10

3D printer brand / version + firmware version (if known)

MK3S, MK2.5S

Behavior

I want to support holes on a vertical wall ONLY
I done not want to have the support all the way to the bed surface
tried painter blocker enforcer and combination of support always goes to platform.
Downloads.zip

Is this a new feature request?
Not a feature but a bug

Project File (.3MF) where problem occurs

Upload a PrusaSlicer Project File (.3MF) (Plater -> Export plate as 3MF for Slic3r PE 1.41.2 and older, File -> Save / Save Project for PrusaSlicer, Slic3r PE 1.42.0-alpha and newer)
Images (PNG, GIF, JPEG), PDFs or text files could be drag & dropped to the issue directly, while all other files need to be zipped first (.zip, .gz)

@bubnikv
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model
sliced

@bubnikv
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Testing snug supports

image

bubnikv added a commit that referenced this issue Mar 23, 2021
expanded to a grid (the old way) vs.
snug (like the upstream Slic3r, Cura or Ideamaker).

Snug supports suffered from the degeneracies when merging overhang islands
over a large number of layers when projecting the support towers down.
We borrowed the idea & a bit of code from Cura by simplifying the support
polygons by closing the concave cracks, see the smooth_outward() function
and the MutablePolygon class.

Fixes Support problems with models with hole in the walls. #555
Fixes Support in the Air #740
Fixes [Bug] Supports generated beyond bed edges (X<0 and X>250) and where none are needed. #902
Fixes Unable to remove support material/can't change support "inflation distance" #2708
Fixes FR: support inflation and support conform to boundary #4783
Fixes Support blocker not working on this model #1346
Fixes Unnecessary support material #1993
Fixes support blocker enforcer issue #6240
@bubnikv
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Fixed with af9c7c9

Implementing a new switch for the shape of support towers:
expanded to a grid (the old way) vs.
snug (like the upstream Slic3r, Cura or Ideamaker).

Snug supports suffered from the degeneracies when merging overhang islands
over a large number of layers when projecting the support towers down.
We borrowed the idea & a bit of code from Cura by simplifying the support
polygons by closing the concave cracks, see the smooth_outward() function
and the MutablePolygon class.

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