Ford Pranther set me these two wonderful Bulder Board videos of a cedar set he built. The first set I built was using cedar boards, too. Its cheaper and you don’t have to worry about finishing, which is a big job. He shows another way to cut the notches with a table saw which makes a lot of sense if you have a good saw.
Here are his kids playing. You can practically see the wheels turning is his son’s head.
https://www.youtube.com/watch?v=bAWOAeZfHCA
This whole concept is really interesting. I live in a retirement community that has a wood shop. The guys are getting ready to start making things for a fall raffle. I wonder how we can implement this in our shop?