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Crash importing a STL file #75436

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opened 2020-04-06 10:54:22 +02:00 by Matthias Urlichs · 8 comments
Matthias Urlichs commented 2020-04-06 10:54:22 +02:00
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System Information
Operating system: Linux
Graphics card:

Blender Version
Broken: 2.82a
Worked: unknown

Short description of error
The attached file, when exported to STL and re-imported into a new Blender window, crashes Blender.

Exact steps for others to reproduce the error
See above.

Schwede.neu.blend

**System Information** Operating system: Linux Graphics card: **Blender Version** Broken: 2.82a Worked: unknown **Short description of error** The attached file, when exported to STL and re-imported into a new Blender window, crashes Blender. **Exact steps for others to reproduce the error** See above. [Schwede.neu.blend](https://archive.blender.org/developer/F8452395/Schwede.neu.blend)
Matthias Urlichs commented 2020-04-06 10:54:22 +02:00
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Added subscriber: @MatthiasU

Added subscriber: @MatthiasU
Philipp Oeser commented 2020-04-06 11:35:04 +02:00
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Added subscriber: @lichtwerk

Added subscriber: @lichtwerk
Philipp Oeser commented 2020-04-06 11:35:04 +02:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Philipp Oeser commented 2020-04-06 11:35:04 +02:00
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Confirmed, checking...

Confirmed, checking...
Philipp Oeser commented 2020-04-06 12:15:54 +02:00
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Changed status from 'Confirmed' to: 'Archived'

Changed status from 'Confirmed' to: 'Archived'
Philipp Oeser self-assigned this 2020-04-06 12:15:54 +02:00
Philipp Oeser commented 2020-04-06 12:15:54 +02:00
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Actually, I was only getting an assert when reimporting:

BLI_assert failed: /blender/source/blender/blenlib/intern/edgehash.c:100, init_edge(), at 'v0 != v1'

[so this only affected Debug builds]
[and this was only the case because this was actually invalid geometry -- double vertices present in the file]

So, here the double vertices are selected:
Schwede.neu.doubles.blend
Remove them Mesh > Cleanup > Merge By Distance and export / import should go fine...
Schwede.neu.doubles.removed.blend

Will have to close this report though, invalid geometry can cause problems and not all of these issues are considered bugs..
(Hopefully these can now get printed quickly! feel free to comment again though if issues persist...)

Actually, I was only getting an assert when reimporting: ``` BLI_assert failed: /blender/source/blender/blenlib/intern/edgehash.c:100, init_edge(), at 'v0 != v1' ``` [so this only affected Debug builds] [and this was only the case because this was actually invalid geometry -- double vertices present in the file] So, here the double vertices are selected: [Schwede.neu.doubles.blend](https://archive.blender.org/developer/F8452582/Schwede.neu.doubles.blend) Remove them `Mesh` > `Cleanup` > `Merge By Distance` and export / import should go fine... [Schwede.neu.doubles.removed.blend](https://archive.blender.org/developer/F8452585/Schwede.neu.doubles.removed.blend) Will have to close this report though, invalid geometry can cause problems and not all of these issues are considered bugs.. (Hopefully these can now get printed quickly! feel free to comment again though if issues persist...)
Sybren A. Stüvel commented 2020-04-06 14:00:26 +02:00
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Added subscriber: @dr.sybren

Added subscriber: @dr.sybren
Sybren A. Stüvel commented 2020-04-06 14:00:26 +02:00
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Interesting, seems to be the same issue as #75252, except that one was when importing from Alembic.

Interesting, seems to be the same issue as #75252, except that one was when importing from Alembic.
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Reference: blender/blender#75436
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