enter image description hereI downloaded a sample start blender file for swimming pool model and found the material in the node model are all "undefined sockets". Do I miss any add ons and how do I know what add ons the authors used?

See the pictures. Thanks

  • 1
    $\begingroup$ Compare the blender version from the blend file with your blender version --> console: head -c 12 yourfile.blend $\endgroup$
    – Secrop
    Aug 24, 2022 at 23:44
  • $\begingroup$ Thanks! IThe file version -v291 and I am using v302. I tried V291 and still have the same problem. My file is downloaded from youtube youtube.com/watch?v=L9HerjxC5bs&t=7s and I believe it either used some addon or did not include the material file. $\endgroup$ Aug 25, 2022 at 2:08
  • $\begingroup$ The address of the file $\endgroup$ Aug 25, 2022 at 2:22
  • $\begingroup$ dropbox.com/s/fjudzv4aj5lg1z2/pool-starter-file.blend?dl=0 $\endgroup$ Aug 25, 2022 at 2:22
  • $\begingroup$ this is not a material, but Geometry nodes. Since you are using a pretty old blender version, i would recommend downloading Blender version > 3.1, then it should work $\endgroup$
    – Chris
    Aug 25, 2022 at 5:47


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