After a false start a month or more back, I recently resumed trying to 
use Thomas's peeling paint macro texture as the basis for an isosurface.

The attached image is a single isosurface where his macro was used to 
create two complementary black and white images each blurred/played with 
in Gimp. The blurred true image is used for where there is paint and the 
false blurred for displacement. There is a third povray image which 
serves as the wall behind the paint

It is a single isosurface because I had the idea to do another color of 
paint on the underside of the peel, but in the end didn't get that far. 
  Guess I'd say the isosurface technique sort of works though a bit hard 
to control. Expect other approaches to “real” peeling would be tricky 
too. About 15 minutes for a 1 light render at 1920x1200.

Bill P.

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