30-60-90 Walnut Square

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Project by WMD2006 posted 12-17-2014 02:22 AM 1311 views 0 times favorited 3 comments Add to Favorites Watch

So I wanted to show Milflyer what went into creating mortises by hand, so I decided to make a couple videos of me sweating through the process. The simplest subject seemed like a triangle, since it was only one mortise for a finished project, so I marked it out and hacked it up.
I only used a hand drill to rough it out before finishing with a 1/2” mortise chisel but nearly blew the back out since it was too close (I ended up adding the tab to the back of the tenon to hide the break). The long edge was cut on a tablesaw as a lap joint with a filled recess in the middle so you can see the tabs on the outside without a hole in the center. For good measure, I added a square 1/2” peg to the middle with the powered mortiser at the end. After some modifications and sanding, the square is within +-0.2 degrees of true.
Finish was with Danish oil which wasn’t the best for hiding glue marks. Good for a learning device and now handy to have around the shop.

-- -MDWhite

3 comments so far

View hunter71's profile


3443 posts in 3700 days

#1 posted 12-17-2014 02:37 AM

Great looking tool for your set.

-- A childs smile is payment enough.

View Jim Jakosh's profile

Jim Jakosh

23401 posts in 3619 days

#2 posted 12-17-2014 03:48 AM

Nice project !Handy in the shop, too!! Merry Christmas and Happy New Year!!

Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View Roger's profile


21011 posts in 3318 days

#3 posted 12-20-2014 02:39 PM

Nicely done. Nothing better than made it yourself tools.

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

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