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September 20, 2021

This Chair — Part 2

Zzz

I featured the chair pictured above — which I happened on while browsing reddit — in a September 10 post, remarking "I love it."

Reader xoxoxoBruce then sent me a link to this August 10, 2015 post on imgur, in which the chair's maker describes in detail with numerous pictures exactly how he made it.

After reading every word, I'm even more amazed that it exists.

A few excerpts:

This was the original design.

Screen Shot 2021-09-18 at 11.33.01 AM

The overall cutout is one lateral section where the leg would be. I eventually scratched this design and tweaked it into a second design.

The curves on the leg would eventually form the interior arch of the legs.

I nearly lost my mind at this point.

The image below

Screen Shot 2021-09-18 at 11.33.14 AM

is a little trick I learned in math class of how to make a precise curve with lines. On the Y axis, I made a series of 2mm (I think) marks and on the X axis, I made a series of 10mm marks. And then just connect the dots to get a curve. This is the basic curve of where the back and butt rests. Well, it is half the curve.

For the first line right or left of the middle of the leg, 4*(Fibonacci)mm were marked from the bottom of the innermost section of the seat down. For the second line to the right or left of the middle of the leg, 3*(Fibonacci)mm was marked. Third line to the right or left....2*(Fibonacci)mm. Fouth line... 1*(Fibonacci)mm. I know this probably doesn't make any sense. Believe me, I nearly had a stroke trying to figure it out.

Screen Shot 2021-09-18 at 11.39.29 AM

Let's talk about wood.

Screen Shot 2021-09-18 at 11.45.23 AM

I use plywood to make fine furniture... GASP.

Screen Shot 2021-09-18 at 11.46.05 AM

The main reason I chose this is that I could cut out big pieces that were consistently the same width. Also I knew the patterns of the lamina would produce neat patterns. The search began for plywood that was hardwood all the way through. This is apparently very rare. I eventually found 13-ply 3/4" ply that was 100% birch through and through. It costs about $70 a sheet. I eventually needed about 1.4 sheets for the one chair.

Screen Shot 2021-09-18 at 11.45.57 AM

For finishing, I applied 10 coats (yeah... overkill is my name) of glossy lacquer) followed by 2 coats of red wax paste. It really brought out the colors. Now I just have to make 5 more. :|

September 20, 2021 at 12:01 PM | Permalink


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