Here's a 2 hour, < $20.00 handy tool you can make. It's 18" square top & bottom with a dust collection chamber in the center.
Dust extraction is excellent. Circle cutter or hole saw for the clearance hole. I made mine with a 3 1/2 inch hole and a 4" sq insert shelf. Mortising bit works well here.
Dust extraction is excellent. Circle cutter or hole saw for the clearance hole. I made mine with a 3 1/2 inch hole and a 4" sq insert shelf. Mortising bit works well here.