Getting Face Normal

[AndersDeleuran]

You can access mesh face normals through Mesh.FaceNormals and get/set etc. from there:

https://developer.rhino3d.com/5/api/RhinoCommonWin/html/T_Rhino_Geometry_Collections_MeshFaceNormalList.htm

Edit: Apologies, you had already found this. Here’s an example:

180720_MeshFaceNormalsCenters_00.gh (365.3 KB)