Hi @dale , i am building a Rhino.Geometry.Mesh from another mesh by copying it and then chaning the vertex locations. After this is done, i update the vertex normals and facenormals. While doing this, i ran in a situation where some meshes cannot be added to the document in V5 and V6 using: guid = …

Hi @clement , Sorry, your file is in a Rhino 6 format, so… Anyway, instead of clearing the vertices, how about just replacing them? for i in xrange(new_mesh.Vertices.Count): vtx = mesh_obj.Geometry.Vertices[i] dir = mesh_obj.Geometry.Normals[i] new_mesh.Vertices.SetVertex(i, vtx + dir) – Da…

Problem adding new mesh to document

Rhino Developer

dan (Dan) June 18, 2019, 9:28pm 18

RH-53108 is fixed in the latest Service Release Candidate.

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Problem adding new mesh to document

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