A handheld router is an amazingly versatile tool in its own right. But if you turn it upside down and mount it under a table, it’s capable of a new set of tasks. I designed this DIY router table ...

After cutting, swipe edges with fine-grit sandpaper. Cut the remaining countertop into fence pieces (see Cut List and Figure A), using a table saw and/or miter saw. Cut the router bit access (A, B, C) ...