Straight Skeletons of Polyhedra
In 3-dimensional space, each facet of a polyhedron
is shifted inwards in a self-parallel manner.
By following the moving vertices, the straight skeleton
is created. The moving edges divide the polyhedron into cells
with useful geometric properties, such as monotonicity.
Compared to straight skeletons of polygons in the plane,
computing initial offsets is different: In the very first moment,
vertices of degree greater than three have to be split.
Interested in this topic or an implementation?
You can find further information about the straight skeleton
in some of my publications.
Furthermore, I would appreciate your getting in contact with me.