This exploded view is of a wedged king post tenon in a truss frame, from a famous meeting house. The tie is a 12 x 12, and the king post is an 11×12. The through half dovetail tenon is 3″ off the side of the king post and 3″ thick. It is a half dovetail [...]
King Post Tenon Through Tie Beam
This is an exploded view of a king post’s bottom tenon where it goes through a very large tie beam. A king post hangs down from two rafters and usually has some struts going from the king post up to the two rafters on either side.
Birds Mouth at Timber Frame Rafter Foot
Here is an exploded view of a birds mouth rafter foot where it meets the plate.
Timber Frame Bridle Scarf
Here is an exploded view of a scarf known as a timber frame bridle scarf. I haven’t personally cut this one, but my program offers it as a type of scarf, so I thought I’d show you. You should have your engineer decide on the peg placement. I just put in two to show possible [...]
Half Lap Scarf Joint with Table
Here is an exploded view of a half lap scarf with tables. I suppose you could also use wedges between the tables to pull the scarf together. On half has been rotated to show another view.
Simple Half Lap Joint
The most basic scarf for joining two timbers together is the basic half lap joint. One timber has half its depth cut away on the top and one timber has half its depth cut away on the bottom and these two pieces lap over each other. Here is an exploded view of a simple half [...]
Bladed Timber Frame Scarf Joint
Another scarf joint that I have used is the “bladed timber frame scarf joint”. This drawing is of a 6″ x 10″ bladed scarf joint that we cut to create one long timber for an addition to an existing barn. The scarf is 2′ long and the tenons are 2 1/2″ thick and 4″ long. [...]
Stop Splayed Tabled Scarf
Sometimes in timber framing it is necessary to join two timbers end to end. This joint is called a scarf joint. One of the most popular scarf joints is the stop splayed table scarf with wedges and under squinted butts. My drawing program is made for to be used to drive a CNC machine to [...]
Timber Frame Rafter Seat Housing Joinery
This is an exploded view of a rafter foot and seat on a plate. Here you can see the plate with post below. And the rafter with a notch cut into the back side of the plate for the rafter foot is sit on. The toe of the rafter has been trimmed to the outside [...]
Timber Frame Post Stub Tenon-End of Sill
This exploded view is of a post’s bottom stub tenon that is at the end of the sill. The tenon is 2″ off the outside face and 2″ thick, and 2″ long. Due to the fact that it is at the end of the sill it is trimmed back 2″ from the face of the [...]



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