Using some of the plastic velcro I tried last time, I sliced off about a 1/2 inch of it.
I lined up a conductor block I found at Home Depot where the servo sits, marked off the screw eyes from the servo on the block, then fired up the drill press. I drilled then tapped the holes for 4-40 thread screws.
I layed the block into position then checked that the holes line up with the servo tabs. This should work fine.