No, not really. I cut them out with a 3/8" compression bit, which cuts down from the top and up from the bottom. This prevents the veneer from blowing out during routing. It's 3/4" material, which can be cut in a single pass on my machine. Also did the cutout in conventional direction, which leaves a nice finish on the cut during cutouts.
D&S Artistic Woodworking http://www.dsartisticwood.com