Why the Japanese way is better. This Western style timber frame with structural rafters will deform over time in a way that the Japanese style timber frame won't. This is due to the way the Japanese style roofing system using a jimuni beam transfers the load straight down into the posts while the Western structural rafters trust out. The timber frame pavilion shown in the video is the work of Mr Chickadee, but if you'd like to make your own smaller Japanese style pavilion, we have free plans! Le