Twin Tenon Arts and Crafts Dining Table #5: Keyed Tenons are Mirror-Image

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Blog entry by pintodeluxe posted 09-07-2012 04:17 PM 8707 reads 0 times favorited 2 comments Add to Favorites Watch
« Part 4: End Assembly Glueup and Decorative Pegs Part 5 of Twin Tenon Arts and Crafts Dining Table series Part 6: Finishing Touches »

I never would have guessed that cutting 4 mortises would take all afternoon. Because the mortises are angled to match the wedges, the fitting process takes a little longer than usual. I cut the first one by hand, then decided to cut the rest at the mortiser. Cutting past the layout line on the shoulder side of the mortise will ensure the joint pulls tight.

Keys installed.

A few taps on the wedges and the shoulders draw up tight.

The keys were cut on the bandsaw.

When the keys are installed, they form a mirror image, and remind me of dragonfly wings.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

2 comments so far

View JohnnyStrawberry's profile


246 posts in 3610 days

#1 posted 11-20-2012 10:18 AM

Here is the way I did the angled mortises for the wedges in our bed

I had been extremely frustrated about making them although I’d already had this idea.
They were made as fast as much I had been frustrated about them. Less then ten seconds each. (normal mortise prerouted) Precise and even angles.
I can actually highly recommend a palm router – they are relatively cheap, have tons of accessories (among other seemingly useful stuff this tiltable base), they can make a fix part of a jig (for example a sliding dovetail jig).
This is a wonderful table. Thanks for sharing the build, too.

-- What are those few hours of mine compared to those decades Mother Nature has put in it!

View pintodeluxe's profile


6498 posts in 4105 days

#2 posted 11-20-2012 07:00 PM

That is a great technique. I only had 4 angled mortises to make, but boy it really took some time. I might have to consider your method for my next wedged tenons.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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