Jaegers 6" f/10 "GJD" OTA Construction - Knife-Edge Baffles (centered on pin for routing)
 

1/8" rod inserted through the Lexan and into the sacrificial plywood - 5 (Click to see an enlarged image.)

 
Placed atop and centered onto the 1/8" pin of the sacrificial circle of wood is the 1/4" thick sheet of polycarbonate (Lexan) ready to be routed to make the first of the four (4) knife-edge baffles for the "GJD" refractor.