porch swing seat frame made from cedar sections
sharpen ends of log using a tenon cutter drill
Cut the Pieces to Length
Build the seat frame first. It's simply a large rectangle made by joining two long sections of cedar with two shorter sections (Image 1). This seat employed mortise-and-tenon joinery, created using a special system of tenon cutters and forstner bits from Lumberjack Tools. "Sharpen" the end of one log using the tenon cutter (Image 2), using a strong 1/2" electric drill. Then, using a forstner bit, cut a corresponding hole where the two pieces will join.