Here are some more pieces to examine:

These are made from 6 inch PVC. Only thing different on these is a coating of epoxy based texture. These peices are on commission, so this is a an excellent surface prep for painting. (I haven't painted the original branches yet as they are currently inhabited by some very happy Hyla chrysoscelis...and the little buggers do not want to come out of them when the lights are on!)

And here they are again with the first few coats of paint: