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disabling thick bridges adds unnecessary support interfaces #7260

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theely opened this issue Nov 7, 2021 · 2 comments
Closed

disabling thick bridges adds unnecessary support interfaces #7260

theely opened this issue Nov 7, 2021 · 2 comments
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@theely
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theely commented Nov 7, 2021

Version
2.4.0 - beta1

Operating system type + version
MacOS

3D printer brand / version + firmware version (if known)
Ender 3 Pro - Marlin 2

Behavior
When thick bridges is disabled unrequited support interfaces are added.

Sliced model with thick bridges enabled:
Screenshot 2021-11-07 at 15 46 33

Sliced model with thick bridges disabled:
Screenshot 2021-11-07 at 15 46 12

Project file:
tb-bug.3mf.zip
@theely theely changed the title disabling thick bridges add unnecessary support interfaces disabling thick bridges adds unnecessary support interfaces Nov 7, 2021
@bubnikv
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bubnikv commented Dec 10, 2021

Similar to #3538, but there don't seem to be any gap fill. It looks as if the bridging perimeters were not correctly subtracted from overhangs due to some numerical issues.

bubnikv added a commit that referenced this issue Dec 10, 2021
@bubnikv
Fix of disabling thick bridges adds unnecessary support interfaces #7260
121bb26 


Improved numerical robustness when removing bridging perimeters from
overhangs to be supported.
@bubnikv
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bubnikv commented Dec 10, 2021

Improved with 121bb26

@bubnikv bubnikv closed this as completed Dec 10, 2021
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@theely @bubnikv