Help I have some questions about the fabric

[tecnnt]

Hi,

I just inspected your mesh, and it's a perfect 2-manifold.

Asking blender to find non-manifold features only marks the outer edges and a few inner faces that are detached from the neighboring ones. This is because blender considers open edges to be non-manifold features (since Blender considers 2-manifolds need to also form a closed volume).

Other than the open edges (which most apps other than Blender won't consider non-manifold) there's no non-manifold features: no floating vertices, no edges shared by more than 2 faces, no adjacent faces with opposite winding order, no zero area faces, no zero length edges, etc. The mesh is perfectly fine as far as Obi is concerned.

Thank you for your reply. According to my use in recent days, it is as you said.