Furniture #26: GN Prototype chair redesign and final assembly

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Blog entry by robscastle posted 04-25-2017 06:08 AM 2476 reads 1 time favorited 4 comments Add to Favorites Watch
« Part 25: GN Prototype chair Making the seat and assemblying most parts Part 26 of Furniture series Part 27: Shoe Rack cabinet Concept »

Hey its ANZAC Day public holiday here in Australia so in Remembrance of our fallen I manned the trenches this morning, the wooden trenches that is.

First up I took the advice of our learned LJs and redesigned the seat and legs to suit their suggestions.

Here is the rebuild.

OK now back to the past.

The seat sculpting commenced.

I made a couple of jigs to shape the seat

Then powering up the grinder and I had the chips flying big time.

Next was the morticing of the top cross support, this proved to be a bit tricky as it had to be held at 11 deg in the Hollow Chisel Morticer clamp so the mortice could conform to the support tenon angle.

I am not sure exactly how this is done but I just bunged a dowel in the back and clamped it.
All a bit raggedy but it worked for me.

Next was the back support dowels.

I made these from bits I ripped off when making the support legs

The chair is now complete, apart from some cosmetic finishing work to make more accurate and possibly glueing everything together.

And another shot


Are they worth building? In my mind yes,
Why is it not glued up? A couple of reasons
1. From information I found relating to the build the real test of its construction is the fact it can support a person in its dry assembled only state.
2. There are some additional tapering tasks and shaping of parts needing to be done that I picked up from Joe Lyddon’s posts.

General info: There is a lot of banter about the building of these type of chairs and some tend to digress from the original George Nakashima design, so beware if you do research it the limited information available detailing the build is sometimes not “original design” accurate.
Incidently I emailed Mira Nakashima asking advice on the build and I am yet to hear back.

ANZAC Day: Just in case you thought I was taking the piss about ANZAC Day I had my eldest brother David in Vietnam with 9 RAR in 1969 and sadly he did not return alive.

Lest we forget

That ends the George Nakishima Conoid Chair build blog.

-- Regards Rob

4 comments so far

View Joe Lyddon's profile

Joe Lyddon

10963 posts in 5130 days

#1 posted 04-25-2017 06:42 AM

Hi Rob,

Sorry about the loss of your brother in Vietnam… A very sad day for sure… an you will never forget it.

I didn’t know the chair was built WITHOUT gluing it up… Really?
I thought it was standard procedure to glue it up… :)
What parts are glued and NOT glued?

I think I would try to place a “lower back rest” across the bottom area of the back… with the dowels going up from there.

I agree… I think it’s positively worth building… trying… Very unique…
I like the extra Leg Room!!

Thank you for keeping us updated on your progress… Have a good one!

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: ... My Small Gallery:

View crowie's profile


4568 posts in 3029 days

#2 posted 04-25-2017 07:05 AM

The chair looks a beauty Rob…

Our local Dawn Service was well over a 1000 with a couple of top Salvo buglers, 35yrs ago we’d been lucky to have 50 attend.
Your brother as too many others paid the Ultimate Sacrifice and as a country we owe them a debt for our freedom & way of life…THANK YOU….
They shall grow not old, as we that are left grow old
Age shall not weary them, nor the years condemn.
At the going down of the sun and in the morning,
We will remember them. Lest we forget….

-- Lifes good, Enjoy each new day...... Cheers from "On Top DownUnder" Crowie

View robscastle's profile


7876 posts in 3282 days

#3 posted 04-25-2017 07:52 AM

Thanks Guys,

Had my Dad still been alive I would have attended the Bathurst Dawn service with him, then along with his local community service at Rockley. who know what shenaggings we would have gotten up to if my brother was here also!

-- Regards Rob

View Roger's profile


21054 posts in 3882 days

#4 posted 04-25-2017 11:39 AM

I also am sorry for the loss of your brother. May he r.i.p.

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. [email protected]

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