This is for a How-To
book that talks about cutting stones to fit your walkway, "All
About Patios", Ortho® Books, ISBN: 0-89721-443-9.
part of a series of illustrations showing how to install a walkway.
in this detail shot matches the stone in the other long shots, using
3d computer solids many times.
I think if
I were to do this again I'd give the guy some gloves.