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
Router Table Plan | Table Saw Upgrade | Extension Wing
Add a Router Table to a Table Saw : 4 Steps (with Pictures) - Instructables
Homemade table saw with built in router and inverted jigsaw 3 in 1 - YouTube
TS-LS Combo - 1
Table Saw Router Table Packages Add Function Without Taking Space In Your Wood Shop