Name: IMG_20170405_205328.jpg Date: 2017 Apr 05 Size: 1.37MB ---------------- Bevel the inside of a perfect circle at 45 degrees Support ring was rough cut with a jig saw ring screwed to scrap plywood center is found close enough. router bit is a 90 degree vee. Made a trammel compass for the router from rods out of an old printer and aluminum blocks.