It does make things look a bit crowded in there. Then the cut lines for the rafter notches can fall in place. Because there is a jack rafter projecting out from the end of the centerline of either beam the kogaeri line must extend into the layout for the hip rafter notch. Next I added the lines parallel to the top centerlines that represent the top and bottom edge of the common rafter notches. Lucky for me this is a normal hip roof, symmetrical between the wall edges at 45 degrees. Then the width of the hip rafter can be added in parallel to the centerline. You can see that the layout starts quite simply with the hip centerline drawn on the top surface of the joined beams. I feel awkward trying to explain this because my own understanding is so rudimentary, but here goes. By the way, my model is about half scale to what is listed in the book. We have our two keta beams joined together with a wedged mortise and tenon. This is walking step by step towards structure by understanding one small piece of it at a time. So, to get back to the topic at hand, I’m giving it another try with the simple Japanese hip roof model. How bad do you want it, how badly? Now go find out. You have to understand the potential out there for people that are willing to get shit done. Tonight I had the good fortune to speak with Mark Grable for a bit on the telephone, I found it galvanizing. If you have the misfortune to live less than a comfortable first world existence then necessity becomes the drive that creates the idea of a better circumstance, and often a better structure. But for most of us we don’t even know what we’re missing. I think most peoples experience with structure has been entirely sub-optimal. It is then, as they say, an existential topic to speak of timber joinery. This is about a little corner of structure, a fundamental of human existence. Where might it lead? To building of course! I’m not sitting here in my shop obsessively building joinery models as an attempt at some kind of mental masturbatory self indulgence. Hello! Tonight we go further down the rabbit hole that is Japanese hip roof joinery.
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