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Unable to Sculpt or Lack of Pen Pressure Response
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Description

System Information

Operating system: Windows 10 64-bit

Graphics card: Nvidia GTX 970

Blender Version

Broken: 2.83.4, 2.81, (maybe others too)

Worked: None

Short description of error

Sculpting with a graphics tablet does not affect the mesh unless a second window is opened. It will then only function in the second window as long as the first window remains open on the same file. Occasionally, the mesh will be affected except pen pressure will not be interpreted.

Exact steps for others to reproduce the error

  1. Open WIP1.blend{F8796311}
  2. Select the Sculpting Workspace
  3. Activate pen pressure control for Strength
  4. Draw on mesh with any tool

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

Event Timeline

Richard Antalik (ISS) changed the task status from Needs Triage to Needs Information from User.Wed, Aug 26, 4:27 AM

Can you tell us, what tablet brand and model are you using? Also try to update tablet drivers and check if that resolves the issue.

Can you tell us, what tablet brand and model are you using? Also try to update tablet drivers and check if that resolves the issue.

My mistake, that should have been in the initial post. The tablet is a Veikk A15.

I have updated the drivers to no effect.

I have found similar issue, you can look at that and check if it is the same issue, that you have - T75644.

I assume it is the same issue, to confirm can you try to check if any older Blender version works for you like 2.79 or 2.80 for example? https://download.blender.org/release/

Version

I have found similar issue, you can look at that and check if it is the same issue, that you have - T75644.

I assume it is the same issue, to confirm can you try to check if any older Blender version works for you like 2.79 or 2.80 for example? https://download.blender.org/release/

Version 2.80 seems to not have this issue. Obviously, it is not my preference to use an outdated version. Are there any other solutions that anyone has found?

Richard Antalik (ISS) changed the task status from Needs Information from User to Needs Triage.Thu, Sep 3, 5:46 PM

Thanks for info.

Version 2.80 seems to not have this issue. Obviously, it is not my preference to use an outdated version. Are there any other solutions that anyone has found?

I am not sure - I don't have experience with tablets and how they interface.

@Nicholas Rishel (nicholas_rishel) can you look at this report? Since 2.80 reportedly works, this doesn't look same as T75644

Switching back to 2.80 has not resolved the problem after all. During the second day of use after reverting to 2.80, the issue spontaneously reoccurred. Pen pressure is no longer recognized.

Nicholas Rishel (nicholas_rishel) changed the task status from Duplicate to Invalid.Sun, Sep 13, 12:46 AM

The issue from the other report is that the Veikk tablet driver does not send input to the correct window when multiple windows are under the same process.

Any thoughts I've had on fixing this issue run a greater risk of breaking something else, unfortunately the only way this will be fixed is if Veikk fixes their drivers.