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Maniphest T77721

Clipping doesn't work with mirror modifier when using Spin
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Description

System Information
Operating system: Linux Mint 19.3
Graphics card: Nvidia GTX1080

Blender Version
Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen)
Worked: (newest version of Blender that worked as expected)
2.83
The bug was existing in 2.82

Short description of error
When trying to spin the face of a cube (top view), with a mirror modifier (clipping selected), vertices go through the mirrored object and don't clip.
You have to stop the spin before it reaches the Y axis and then use G to clip the vertices.

Exact steps for others to reproduce the error

  • Open attached file
  • Perform spin in a way that exceeds the clipping limit

spin_clipping_bug.blend588 KBDownload

Event Timeline

Lionel Patoureau (Lionel_Patoureau) created this task.Jun 10 2020, 12:32 PM
Germano Cavalcante (mano-wii) updated the task description. (Show Details)Jun 11 2020, 2:01 PM
Germano Cavalcante (mano-wii) added a project: Modeling.
Germano Cavalcante (mano-wii) closed this task as Archived.Jun 11 2020, 2:17 PM
Germano Cavalcante (mano-wii) claimed this task.
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

Thanks for the report.

While looking strange, mirror clipping is a parameter that affects transform operators (translate, rotate, resize, shear, bend...).
Spin is not a transform operator.

Lionel Patoureau (Lionel_Patoureau) added a comment.Jun 16 2020, 11:19 AM

Hi and thanks for the answer.
Should we consider that clipping with Spin with never be available ?

Best regards,

Lionel