AMD CPU vs Maya’s Unfold3D

With some AMD CPUs (for example 3900X) you can’t use the current Unfold algorithm in Maya.
The error message is: // Error: Unfold3D process error. //

  • Open the Maya.env file (inside the Documents/maya/#versionNumber folder).
  • Add this environment variable to fix this issue:
MAYA_USE_ALTERNATE_UNFOLD_SHIM = 1

Cheers, D

If that is not helping you, there is a different “more or less” solution as well:
https://forums.autodesk.com/t5/maya-forum/unfold3d-process-error/m-p/9431245/highlight/true#M80365

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