Sculpt mode: Modifiers will bug out when you press undo (most obviously solidify and subsurf) #47604

New Issue

Jade WhyDoYouNeedMyLastName · 2016-02-27T19:16:52+01:00

2016-02-27 19:16:52 +01:00

System Information
Windows 10 Pro 64-bit
NVIDIA GeForce GTX 660
Intel Core i7 4790

Blender Version
Broken: 2.77 5cec0e6 (I have noticed it since 2.76a)
Worked: 2.75a

Short description of error
(See image below for a better example)

While in sculpt mode, if you have modifiers like solidify and subsurf and you are sculpting, whenever you press undo, the mesh will freak out. The mesh will return to normal if you use the smooth brush or exit sculpt mode and go to edit mode.

Exact steps for others to reproduce the error

Create a plane, subdivide it a few times and scale it up in edit mode.
Add a Solidify modifier with some thickness (so its like a piece of thick cloth).
Now enter sculpt mode and begin sculpting (sculpt, grab, inflate, clay, etc)
Press undo (Ctrl+Z) and you should notice that the mesh behaves weirdly (usually it flattens out in the case of solidify).

Sculpt mode undo with modifiers test.blend

**System Information** Windows 10 Pro 64-bit NVIDIA GeForce GTX 660 Intel Core i7 4790 **Blender Version** Broken: 2.77 5cec0e6 (I have noticed it since 2.76a) Worked: 2.75a **Short description of error** (See image below for a better example) While in sculpt mode, if you have modifiers like solidify and subsurf and you are sculpting, whenever you press undo, the mesh will freak out. The mesh will return to normal if you use the smooth brush or exit sculpt mode and go to edit mode. **Exact steps for others to reproduce the error** 1. Create a plane, subdivide it a few times and scale it up in edit mode. 2. Add a Solidify modifier with some thickness (so its like a piece of thick cloth). 3. Now enter sculpt mode and begin sculpting (sculpt, grab, inflate, clay, etc) 4. Press undo (Ctrl+Z) and you should notice that the mesh behaves weirdly (usually it flattens out in the case of solidify). [Sculpt mode undo with modifiers test.blend](https://archive.blender.org/developer/F286059/Sculpt_mode_undo_with_modifiers_test.blend) ![Blender sculpt undo.png](https://archive.blender.org/developer/F286060/Blender_sculpt_undo.png)

Jade WhyDoYouNeedMyLastName commented

2016-02-27 19:16:52 +01:00

Changed status to: 'Open'