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innovate, v.:
To annoy people.
(Score: 3, Interesting) by Mojibake Tengu on Saturday November 14 2020, @07:53PM (3 children)
https://www.core77.com/posts/67922/These-Ingenious-2500-Year-Old-Chinese-Wood-Joints-Make-Buildings-Earthquake-Proof# [core77.com]
http://www.antique-chinese-furniture.com/blog/2009/02/27/excellent-diagrams-on-chinese-joinery-and-chinese-furniture-construction/ [antique-chinese-furniture.com]
https://architizer.com/blog/inspiration/industry/japanese-art-of-wood-joinery/ [architizer.com]
I am not a woodworker though. I became interested in this when I started to dabble in 3D printing a couple of years ago and realized the potential of such assembly geometries for robotics, possibly providing tool-less field modularity.
The edge of 太玄 cannot be defined, for it is beyond every aspect of design
(Score: 0) by Anonymous Coward on Monday November 16 2020, @05:22AM (2 children)
Worked with a master craftsman and architectural model maker, ~45 years ago.
He made a few "brag" pieces to show what he could do. One was a 3" (75mm) cube. Top half maple (light), bottom half cherry (dark). On each of the four sides (around the "equator") was a dovetail, all identical, about an inch across. All four dovetails pointed the same way (male part was in cherry, female part cut into the maple.
How was this assembled? It fit perfectly tightly (like the Japanese joints in tfa), no gaps inside.
Sorry, don't have any pics, I didn't have a (film) camera back then.
(Score: 0) by Anonymous Coward on Monday November 16 2020, @09:43AM (1 child)
Looking down on the cube you have the top. Number the four sides clockwise, 1,2,3,4. The dovetail visible on 1 goes at a 45 degree angle to the dovetail visible on side 2. The second dovetail on side 3 runs to side 4, and is parallel to the first dovetail.
(Score: 0) by Anonymous Coward on Monday November 16 2020, @04:57PM
You win one internet today, congrats!
His sample had a dot of glue inside somewhere so the dovetail wouldn't slide when handled, and it made a good thought experiment. I believe that he cut the dovetails in larger pieces, then assembled with the dot of glue, then cut the block out (at 45 deg to the original block), and finally finished the 4 sides that show the dovetails. He was careful to proportion the dovetails so they would look correct when viewed at that oblique angle.