Making Bed for my own #4: Bangdoo-sanji and center supporter

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Blog entry by Jaeyoel Park posted 03-04-2008 03:31 PM 1646 reads 0 times favorited 4 comments Add to Favorites Watch
« Part 3: Side rails Part 4 of Making Bed for my own series no next part

Bangdoo-sanji” in Korean is almost similar with ”tusk-tenon” in English.

Let me show you the illustrated picture.

Bangdoo means the tenon extends beyond the through mortise,
and Sanji means wedge.

If you have “Handbook of joinery” of “the art of woodworking”,
You will be able to see “tusk tenon” at page 106.

Back to my project,
I chose walnut for sanji (wedge).
But I think ebony or bubinga would be better choice.

Now, let me show you several photo…

making a tapered slot at the tenon shoulder of siderail…
trimming the slot using file, after chiseling…

the foot board met with the siderail…

test…. good job, J !!

and… center supporter
There is no something to tell.
Just see…

The whole of components are ready.

-- Falling in love with wood... J. Park , South Korea

4 comments so far

View GaryK's profile


10262 posts in 3407 days

#1 posted 03-04-2008 04:23 PM

Looks very good. Nice fit!

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View Scott Bryan's profile

Scott Bryan

27251 posts in 3240 days

#2 posted 03-04-2008 05:15 PM

This is coming together well. The joinery is excellent.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View MichaelW's profile


30 posts in 3166 days

#3 posted 04-04-2008 03:05 PM


Great pictures. I hadn’t considered laying out the mortise from the tenon. I am considering using this joinery on part of my workbench, thanks for showing a way!

-- Michael, Seattle, WA

View Todd A. Clippinger's profile

Todd A. Clippinger

8901 posts in 3518 days

#4 posted 04-08-2008 04:12 AM

It is pretty neat to see this type of joinery in action.

I really appreciate you sharing it.

-- Todd A. Clippinger, Montana,

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