Smothed outer surface from a 3D set of points

[laurent_delrieu]

Here the script with Alpha Shape 3d

Alpha Shape 3D

Here is an implementation of 3D alpha shape, it is using 3D DelaunayCell (standard GH component ??). https://doc.cgal.org/latest/Alpha_shapes_3/index.html https://doc.cgal.org/latest/Alpha_shapes_2/index.html I liked a lot the explanation of Alpha Shape of CGAL site “Imagine a huge mass of ice-cream making up the space R3R3 and containing the points as “hard” chocolate pieces. Using one of these sphere-formed ice-cream spoons, we carve out all parts of the ice-cream block we can reach withou…

There are some holes but you have a mesh. Parallel version of Alpha Shape is faster.
point cloud alpha shape.gh (13.5 KB)
There are windows !! I dn’t know if it is my script or Delaunay 3d (from Mesh Edit)