Extrude missing underside face #65894

Closed
opened 2019-06-17 21:38:12 +02:00 by Paul Johnson · 5 comments

System Information
Operating system: Debian stretch / Mac OS Mojave
Graphics card: Nvidia GTX1070 and whatever they throw in a 2015 Macbook pro

Blender Version
Blender 2.8 40a8c49088 (Debian) 12da679fa0 (Mac OS)

Short description of error
Extrude on a plane which has it's face inset, bottom face is missing

Exact steps for others to reproduce the error

  1. Create a plane.
  2. Select face and inset a few mm
  3. Extrude any face
  4. Look at underside, face is missing. (didn't seem to occur in previous build).
**System Information** Operating system: Debian stretch / Mac OS Mojave Graphics card: Nvidia GTX1070 and whatever they throw in a 2015 Macbook pro **Blender Version** Blender 2.8 40a8c4908818 (Debian) 12da679fa094 (Mac OS) **Short description of error** Extrude on a plane which has it's face inset, bottom face is missing **Exact steps for others to reproduce the error** 1. Create a plane. 1. Select face and inset a few mm 1. Extrude any face 1. Look at underside, face is missing. (didn't seem to occur in previous build).
Author

Added subscriber: @english_fool

Added subscriber: @english_fool

Added subscriber: @tomjk

Added subscriber: @tomjk

on latest master, looks like this:

planeinsetextrude.png

which is consistent with previous versions - like 2.79b, from over a year ago (earliest blender version I have knocking about):

planeinsetextrude279b.png

(only real visible difference is that backfaces are not very strongly differentiated in 2.8)

So unless I've missed something very silly, there's no bug here.

on latest master, looks like this: ![planeinsetextrude.png](https://archive.blender.org/developer/F7107475/planeinsetextrude.png) which is consistent with previous versions - like 2.79b, from over a year ago (earliest blender version I have knocking about): ![planeinsetextrude279b.png](https://archive.blender.org/developer/F7107479/planeinsetextrude279b.png) (only real visible difference is that backfaces are not very strongly differentiated in 2.8) So unless I've missed something very silly, there's no bug here.
Author

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'
Paul Johnson self-assigned this 2019-06-17 22:21:38 +02:00
Author

Ah, I tried again and managed to get the same behavior in 2.79b, If the inset wraps around a bottom face is present, this confused me.

Cheers.

Ah, I tried again and managed to get the same behavior in 2.79b, If the inset wraps around a bottom face is present, this confused me. Cheers.
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Reference: blender/blender#65894
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