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Maniphest T96922

Weird Shapes on using Subdivision surface modifier
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Description

System Information
Operating system: Windows-10-10.0.19044-SP0 64 Bits
Graphics card: Intel(R) HD Graphics 520 Intel 4.5.0 - Build 27.20.100.8681

Blender Version
Broken: version: 3.1.0, branch: master, commit date: 2022-03-08 18:16, hash: rBc77597cd0e15
Worked: (newest version of Blender that worked as expected)

Short description of error

Weird shapes seem to appear when the subdivision modifier is used.

Interestingly it gets corrected when applied. It happens only incase of not applying. When the modifier hasnt been applied there are weird shapes observed.
Exact steps for others to reproduce the error

  1. Open the attached blend file.
  2. Add a subdivision surface modifier

[Based on the default startup or an attached .blend file (as simple as possible)

Subdivision bug.blend793 KBDownload

Thanks!

Event Timeline

Showri A (Lone_Wolf) created this task.Mar 31 2022, 1:17 PM
Showri A (Lone_Wolf) updated the task description. (Show Details)Mar 31 2022, 1:27 PM
Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Needs Information from User.Mar 31 2022, 2:11 PM
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Screenshot suggests there is a Sphere obj in the scene, but there isnt.
Can you clarify?
Also please check this option in User Preferences:

Philipp Oeser (lichtwerk) closed this task as Archived.Apr 26 2022, 8:55 AM

No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.

Thanks again for the report. If the problem persists please open a new report with the required information.