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
How To Build A Router Table with Bit Storage & Dust Collection — Crafted Workshop
Infinity Tools Portable Router Table System
DIY Router Table Cabinet with Plans - The Handyman's Daughter
Bench-mounted Router Table Plan from WOOD Magazine