Bracing on three legged stool....

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Forum topic by UncannyValleyWoods posted 08-12-2013 12:12 AM 4668 views 30 times favorited 13 replies Add to Favorites Watch
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336 posts in 900 days

08-12-2013 12:12 AM

I’m building a three legged stool and have a photo of the bracing system I want to use. However, I’m having a hard time visualizing how to properly cut the dados. Here is the photo:

Now, I’m not gonna make anyone do the math for the angles, I’m just looking for some help visualizing the cuts. If looking at the legs left to right, I’ll call the front left leg #1, the front right #2 and the rear #3. I’m guessing that the brace for #1 has a single, angled dado on the top. Then #2 has an angled dado on the bottom and an opposing angled dado on the top, making a funky + ....and #3 essentially has the same angled dado as #1… I know my description and terminology is probably all jeffed up, but does that sound mostly accurate??

Any advice is welcome. Thanks..


13 replies so far

View shipwright's profile


6182 posts in 1834 days

#1 posted 08-12-2013 01:27 AM

The stretchers are in tension so the joint does not need massive strength. I would half lap #1and #2, glue them up and then half lap (more like quarter lap) #3 in as if the first two were a single piece (which they are now if your glue is up to snuff).

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees.

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336 posts in 900 days

#2 posted 08-12-2013 03:43 AM

Holy moley James! That’s it! I made a model a few minutes ago and it looks like I did everything according to your drawing except that extra dado on the blue piece! That was the part that was making my brain leak out of my ears! AWESOME! I really appreciate this!


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336 posts in 900 days

#3 posted 08-13-2013 04:28 AM

James, I think I may owe you a case of beer. Here are some visualized results.

I’ve never cut joints that intense…kinda felt like a little Japanese man when I realized how tight and solid they were. It was mind altering to say the least. I’ve saved every scrap of info I have on those joints, just so I can replicate it. Honestly, the angles (once I had my math genius neighbor decode them) were not really that crazy. Mainly 30 degrees all the way around…working on 120 quarters. There may have been a 60 in there…but I digress.

So, the seat still needs to be attached and this thing is going to get oiled and waxed… It’s a birthday present for my dad. Thanks again for all your help man. I’ll post photos again when it’s complete.


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1085 posts in 2019 days

#4 posted 08-14-2013 02:02 AM

that’s a cool stool . the cross members look as though you’re making a puzzle.
thanks to the sketchs from james101

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3875 posts in 2007 days

#5 posted 08-14-2013 03:07 AM

Great looking little stool.
How did you attach the legs to the seat?

-- Michael: Hillary has a long list of accomplishments, though most DAs would refer to them as felonies.

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336 posts in 900 days

#6 posted 08-14-2013 06:07 PM

Crank, I’ll post a photo of the finished seat so that you can see… I actually used lag bolts and then hid them with dowels. In the future I will likely turn the end of the legs round and mount the seat that way, but I was pressed for time this go around. The seat is not attached in the photo above.


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336 posts in 900 days

#7 posted 08-14-2013 11:49 PM

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851 posts in 1396 days

#8 posted 08-22-2013 01:33 AM

holy buckets this is a cool thread!

-- Steve

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51 posts in 2094 days

#9 posted 08-22-2013 04:45 PM


-- woodNfish

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10119 posts in 1719 days

#10 posted 08-22-2013 05:45 PM

Seen at a local store window, while out on a walk-about

in case you would like a bigger seat

-- A Planer? I'M the planer, this is what I use

View CharlesA's profile


2572 posts in 834 days

#11 posted 07-06-2015 01:25 AM


I’m curious how you ended up cutting the joints. did you make a sled with stops or sneak up on it or how did you end up getting these just right?

Thanks, Charles

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

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925 posts in 1301 days

#12 posted 07-06-2015 02:40 AM

That my friend is some very impressive joinery. My hat is off to you.

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2 posts in 2 days

#13 posted 10-04-2015 08:59 AM

I like the idea how this chair was made, really unique.


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