O'SKOOL Precision Aluminum Router Table Insert Plate, Router Templates With Pre-Drilled Adapt to Multiple Routers of Different Model - Amazon.com
How to make Router Table Insert Rings - Paoson Blog - Routers / Drill
Installing A Router Plate Insert - YouTube
I built a router table insert for my convertible saw station/modular workbench. It replaces the table saw on the short end of the workbench (Gallery in comments). : r/Workbenches