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Project by kiefer posted 01-08-2012 09:41 PM 4740 views 7 times favorited 7 comments Add to Favorites Watch

This is a easy way to make a compound angle box without having to calculate any angles .
Decide on the measurements and cut the pieces, then route out the sides ,in this case I use a 3/4” cove bit with a top bearing following a pattern ,then round over the ends and bottom and fit everything together ,easy .
I could do this using a router table and fence and stopping the bottom groove .
Glue and screw or nail it together and my grandson thought of using my dovetail plugs on this .

Any comments and questions welcome .


-- Kiefer

7 comments so far

View a1Jim's profile


115177 posts in 3001 days

#1 posted 01-08-2012 11:04 PM

Unique project very well done box.

-- Custom furniture

View doncutlip's profile


2832 posts in 2980 days

#2 posted 01-09-2012 02:18 AM

Great idea, will have to try that sometime.

-- Don, Royersford, PA

View boxcarmarty's profile


13369 posts in 1784 days

#3 posted 01-09-2012 04:59 AM

That would have been handy about a month ago when I was trying to calculate the compound angles for a wheel barrow planter. I’ll have to give it a try on the next one…..

-- My mind is like lighting, one brilliant flash, then its gone.....

View Paul Stoops's profile

Paul Stoops

339 posts in 1985 days

#4 posted 01-09-2012 05:10 PM

Hi Kiefer,

I’m having some trouble visualizing any “compound angles” on your well done project. Maybe I need another cup of coffee this morning…....... :-) By definition aren’t both side and end members at an angle to one another to make a compound angle? Please help me to understand. I assume the half round groove is intended to eliminate having to cut the bottom dado in the sides at an angle??

-- Paul, Auburn, WA

View ChuckC's profile


821 posts in 2359 days

#5 posted 01-09-2012 08:38 PM

I think that’s the point, there are no compound angles. It’s just a box that looks like it has them.

View casual1carpenter's profile


354 posts in 1900 days

#6 posted 01-09-2012 09:10 PM

very interesting, this could go in that “why” thread. why didn’t I ever think of that? It looks quick, easy, and definitely has it’s uses. thanks, I gotta remember this one!

View kiefer's profile


4873 posts in 2091 days

#7 posted 01-10-2012 04:37 AM

Hi Paul
Here are some pics I took of a quick mock up to demonstrate the fit when a corner like this comes together
which I call a compound angle cut as the mitre saw in this case would be at 20 deg. and would require 3 to 4 deg tilt to fit the corner tight .
I cut these pieces at 20 deg. and no tilt to show the gap .


-- Kiefer

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