Timber Frame Mortise And Tenon Jig

We use a variety of tools to see what works best for cutting mortise tenon joint into some old timber beams.
Timber frame mortise and tenon jig. Timber frame dovetail mortise tenon joint system. Set scales for easy set up with every system. Upper dust deflector with every system. I designed the barn in two stories with a short lower frame filled with cordwood masonry.
I have been working on a building a new base for an old pool table to put in our basement. I made the first version of this jig depicted in the video below when we were working on the timber frame for our goat and yak barn. Cut a mortise and tenon in minutes. It was made primarily to make it easier to cut mortice and tenon joints on logs which can be a lot of work to layout and cut compared to a square edged timber.
Router locks onto the guide plate preventing kick back if you hit a knot. Although there are various types this joint design is similar to the mortise and tenon joint system inside the human body wherein a convex shaped bone fits within the concave part of. From furniture to buildings the mortise and tenon joint system is well known to woodworkers.