From the subdivided PointCloud separate meshes have been created. (_MeshFromPoints
BonusTools) Now these mesh surfaces are pretty smooth.
The contours has been created from the manually created smooth meshes.
The underlying rough mesh that you can see here is just for a better visual
Mirrored Mesh Contours
The Mesh Contours were mirrored and the "middle" curves have
been created. I do this scripted, but it can be done maually for example
by lofting the pairs and extract the middle isoparm.
Smooth "Middle" Curves
The result are smooth curves that can directly be used to create fair
and symmetrical NURBS surfaces.
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