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    Problem with custom png brushes

    Question Sculpting
    Roope O(waruha)

    Hey.

    I got weird problem with custom png brushes on blender 3.5. Brushed cause this "blob" to appear.

    wtf.png


    In Blender 3.0 same brush looks like thisWorking.png

    Eny idea how to fix this? i tried changing pretty much everything i could find and nothing helped to fix this.

    Reply
    • Martin Bergwerf replied

      I don't know, but the top one doesn't appear to have Dynamic Topology turned on; there seem to be stretching on some of the Faces...

    • w
      Roope O(waruha) replied
      Ive applied scale on both and have dynopo off on both of them. Also tried turning dynopo on and checked which way normals are facing. Neither of them helped. Only installing an old version of blender (3.0) fixes it. Both are default setting with 4x subdivision on.
    • Martin Bergwerf replied

      I haven't heard about any changes in the Brush behavior between those two versions, apart from the fact that since 3.5, Vector Displacement Maps are supported on the Draw Brush...

      Maybe you can provide a link to your .blend file, with the PNG packed, or even  just the PNG...

    • w
      Roope O(waruha) replied

      Heres a link for the brushes. I even tried the Blender 3.5.1 (currently newest version) and it still had the same issue. 

      https://drive.google.com/drive/folders/1pZjsBeO80lFBnTpnKP2XDoIPox9Vxc53?usp=sharing

    • Martin Bergwerf replied

      Hm, weird...

      Your file crashes Blender immediately, when I try to open it in 3.0 and 3.5 (and 2.93):

      Crash.png

      The crash.txt has no information in it, apart from the Blender version...

      I could open the file in 3.6 (and 4.0) and checked some of those Brush Textures and each one behaved completely normal/as expected.

      Check your drivers and also try  File > Defaults > Load Factory Settings (could it be an Addon misbehaving?)...

      Can't think of anything else to try at the moment...

      Let us know how it goes, please.

    • w
      Roope O(waruha) replied
      I use that file just aas append to use the brushes its not save file of a project. Im downloading the newest version again and ill try to load factory settings
    • w
      Roope O(waruha) replied

      i did a clean Blender install of 3.5.1. I removed the whole Blender folder with older version files and went to appdata and removed the blender folders from there too after uninstallation. And still the problem persists. :( Factory settings didnt help either.

    • w
      Roope O(waruha) replied

      Here is a video of the problem occurring on default general file with default blender setttings.

      3.5.1

      https://youtu.be/EN1HZAutAYw

      And heres 3.0.1

      https://youtu.be/f7-PcPE-GoE


    • Martin Bergwerf replied

      Hey wwaruha ,

      I am sorry, but when I Append the Brushes, I get the same behavior in 3.5 as in 3.0...

      Did you check your drivers?

      Adrian, if you see this, can you check this on your Windows?

    • Martin Bergwerf replied

      (...And I must admit, that I didn't try this on a UV Sphere...that's a bit of an unfortunate choice for Sculpting, unless you Remesh it...)

    • Omar Domenech replied

      Maybe the problem is within the brushed themselves? Maybe they have a neutral grey that it isn't so much neutral and it causes the blob. Can you get other brushes and load them up? See if other custom brushes behave normally, that way you can rule out any misbehaving from the part of Blender and prove it's that specifically set of brushes that you have. 

    • w
      Roope O(waruha) replied

      Other rock brushes seem to work normally in 3.5.1. But i was just wondering how come they work fine on Martin but not for me :P

      Yes i have latest drivers on my 3080 and Ryzen 3600.

      I cant update my Bios because it causes my computer to crash, not boot up when pressing power button and all kind of other issues. (tried all versions out there)

    • Martin Bergwerf replied
      Solution

      I still find it very suspicious, that the .blend file with the Brushes crashes most Blender Versions, but I didn't mean that the Brushes work fine, just that they work as expected and that they behave the same in 3.0 as in 3.5...

      Omar is right about the colors of the Brushes, they are very bright. If I'm not mistaken, black in a Texture means no displacement and white means full displacement. Your Textures seem to have no black, therefor everything is being displaced.

      Here you can see some great examples of Rock textures (most have a lot of black):

      Rocks.png

      That's from the Pixologic library btw.

    • Omar Domenech replied

      Yeah if I had to point at a culprit is as how almost grey/white they are. Maybe make a copy of an image or two of a file brush and in Photoshop or even Blender itself, get that contrast going, squash the values so that the background becomes closer to black, load them up in Blender as a brush and see if it doesn't rise the blob protuberance anymore.