I have to cut about a half inch off the abutment. How can it be done without shattering it?
Use a razor saw. I did with mine and didn't have any problem.
Chris
Chooch products, or at least the ones I have purchased, are a cast resin not a cast plaster, so they should not shatter or crack when cut. I have used a Dremel tool as well as a razor saw - and by the way, either method releases a very distinctive (read: unpleasant) odor.
Dave Nelson