Japanese Carpentry: Sampo-gumi-shikuchi

When I found The Joinery on twitter (@TheJoinery_jp), like so many I was completely baffled. My first thought was to 3Dprint some of these wonderful things, but, as it turned out, I was unable to find 3D models. So, I started modelling one of those joins, an easy one:

https://twitter.com/thejoinery_jp/status/727473157729198080

Full credit for the concept and the gif go to the people behind the @TheJoinery_jp twitter account. I just wanted to see whether it worked, and how it felt to put i