Can someone tell me why I am unable to turn this in to a solid?

other than you know nothing about Rhino :slight_smile:
I don’t think there are any holes or geometric mistakes, etc.
MeshBooleanUnion resulted with flying triangles…

Thank you
Happy new year to all.

You have 17K+ individual mesh faces in there.

  • SelectAll and Join. Makes one open mesh.
  • _MatchMeshEdge, set the tolerance at the command line to 0.01, select the mesh and Enter
  • _UnifyMeshNormals
  • Done. 1 closed mesh.
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thank you!

Sorry, that was supposed to be _UnifyMeshNormals and not _RebuildMeshNormals

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