A new version called a wedgieless sled. Looks and operates like the other. It has positive stops for ring segments of 12/24/48/72/144 and more. Created on a cnc. No fooling the 96 pieces. Straight off the table saw. ZERO sanding. Put in a hose clamp, held to the light, no gaps. Glue it. It is really that accurate.Did you use a wedgie jig ?