Maniphest T80330

Box with beveled vert will damage, if use multires modifier in simple mode.
Confirmed, NormalBUG
Actions

Assigned To
None
Authored By
Igor (ekkl)
Sep 1 2020, 4:23 PM
Tags
  • BF Blender
  • Modeling
  • Modifiers
Subscribers
Igor (ekkl)

Description

System Information
Operating system: Fedora 32, 64bit
Graphics card: GTX 650Ti

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-03 15:46, hash: rBd2c52d4de2ca
Worked: blender-2.82a-windows64

Exact steps for others to reproduce the error
Add cube, bevel one vert (1 segments) add multires modifier, select simple mode, and subdivide 2 or 3 times. Mesh will damaged.
If beleled 2 or more verts subdivision works stability, but not always. Sometimes it will damaged, sometimes properly.

Related Objects

Event Timeline

Igor (ekkl) created this task.Sep 1 2020, 4:23 PM
Igor (ekkl) renamed this task from Blender 2.83 to Box with beveled vert will damage, if use multires modifier in simple mode..Sep 1 2020, 4:27 PM
Igor (ekkl) edited projects, added BF Blender (2.83); removed BF Blender.
Igor (ekkl) added a comment.Sep 1 2020, 4:51 PM

If you apply a bevel to all the vertices of a cube, then use a multires modifier and apply it with a subdivision of 3-4, you get the wrong mesh

Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Sep 3 2020, 10:57 PM
Richard Antalik (ISS) edited projects, added BF Blender, Modeling; removed BF Blender (2.83).
Richard Antalik (ISS) updated the task description.Sep 3 2020, 11:00 PM
Richard Antalik (ISS) merged a task: T80369: Blender 2.90 and 2.91 damage mesh with multires modifier.Sep 4 2020, 12:17 AM
Campbell Barton (campbellbarton) changed the subtype of this task from "Report" to "Bug".Sep 22 2020, 10:16 AM
Campbell Barton (campbellbarton) added a project: Modifiers.
Campbell Barton (campbellbarton) moved this task from Backlog to Bugs (Mesh) on the Modeling board.Sep 22 2020, 10:19 AM
Campbell Barton (campbellbarton) moved this task from Bugs (Mesh) to Bugs (Modifiers) on the Modeling board.Sep 23 2020, 2:20 AM