I am trying to draw in Sketchup a small kingpost timberframe from a set of plans I have. I was able to draw the post to beam, and girt to post joint and have the create joint function work properly. However when I try to create the rafter to Kingpost joint, and also the rafter to Beam joint it doesn't seem to work?

Question?

Does the TF rubies create joint function work on odd geometry joints?