It is Christmas Eve and the boxes are wrapped.

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Project by Ampeater posted 12-24-2008 07:05 PM 3939 views 9 times favorited 22 comments Add to Favorites Watch

I have one of the 8” Incra Router Jigs and I decided to finally do something with it. I designed a box that uses a “Quadruple, Triple, Double box joint”. (I couldn’t think of anything else to call it.)

The box has four sides (duh), with a triple box joint on each of the two ends. Thus the name.

I used Sketchup to design the corners and it worked great. Since I wanted to cut the top off the box using the table saw, I purposely added 1/8” at the correct position to ensure that the box joints were all the same width after the box was reassembled.

I built a prototype box out of walnut, maple and spalted maple. Somethings that I found during the prototypes construction:
1. Use a sharp spiral bit in the router. I started with a straight bit and I could not get consistent results. A 3/8” endmill worked great
2. Make sure that none of the parts can move while routing the joints. This requires a stout fixture to hold the boards correctly.
3. There are lots of glue-ups and it is difficult to keep everything lined up during these glue-ups. I was shooting for a final thickness of 1/2” for all of the box sides. I started with everything planed to 9/16”. I then completed all of the triple box joints and then planed the sides to 1/2” before finally gluing up the corner posts to the sides.

I then built the three boxes that I am giving to my wife and my two daughters. The boxes are all slightly bigger than the prototype. The top of the boxes is made from bubinga veneered to 1/4” ply. The corner posts are made from sapelle. I also used cherry, walnut, birch, white oak, and paduck.

-- "A goal without a plan is a wish."

22 comments so far

View rikkor's profile


11295 posts in 4437 days

#1 posted 12-24-2008 07:19 PM

Unbelievable! Very nice work. No doubt at all that they will be well received.

View lew's profile


12899 posts in 4318 days

#2 posted 12-24-2008 07:29 PM


-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Dennis Zongker's profile (online now)

Dennis Zongker

2800 posts in 4155 days

#3 posted 12-24-2008 07:32 PM

Very Nice!!!

-- Dennis Zongker

View kolwdwrkr's profile


2824 posts in 4153 days

#4 posted 12-24-2008 07:51 PM

Sweet looking boxes. Thanks for sharing, and I’m sure the reciever will have a merry christmas indeed.

-- ~ Inspiring those who inspire me ~

View Loucarb's profile


2388 posts in 4008 days

#5 posted 12-24-2008 08:00 PM

That is some beautiful work. I bet they will be greatly enjoyed.

View trifern's profile


8135 posts in 4330 days

#6 posted 12-24-2008 08:16 PM

Beautiful boxes, thanks for sharing.

-- My favorite piece is my last one, my best piece is my next one.

View CharlieM1958's profile


16284 posts in 4781 days

#7 posted 12-24-2008 08:18 PM

Those joints are just insane!

-- Charlie M. "Woodworking - patience = firewood"

View jpfrog's profile


18 posts in 4004 days

#8 posted 12-24-2008 10:05 PM

do you have more pix*(construction type) available>? if so please let me know as I’d love to see them! great work!

View Les Hastings's profile

Les Hastings

1305 posts in 4336 days

#9 posted 12-24-2008 10:58 PM

Awesome job!

-- Les, Wichita, Ks. (I'd rather be covered in saw dust!)

View Woodhacker's profile


1139 posts in 4286 days

#10 posted 12-25-2008 01:06 AM

Sweeet looking boxes. Nice job!

-- Martin, Kansas

View MsDebbieP's profile


18619 posts in 4723 days

#11 posted 12-25-2008 12:19 PM

stunning. Nice job.

-- ~ Debbie, Canada (, Young Living Wellness )

View majeagle1's profile


1426 posts in 4059 days

#12 posted 12-28-2008 09:24 PM

Very very nice…....... beautiful joinery and wood conbination!!!!!!!!!1

-- Gene, Majestic Eagle Woodworks,,

View Nils's profile


141 posts in 4427 days

#13 posted 02-20-2009 05:37 PM

Truly inspiring. I made a very simple dovetail box with my Incra Jig, but didn’t even imagine something like your boxes was possible! Any chance of a how-to set of blog posts?

-- Nils Davis, Menlo Park, CA

View anotherbrick's profile


73 posts in 4219 days

#14 posted 03-19-2009 03:36 PM

beauful box.I like your other boxes too?

-- china

#15 posted 03-29-2009 02:35 AM

Great job!
I also own an INCRA JIG so I know the many difficulties you’ve struggled with.
I appreciate very much all your boxes and I sincerely congratulate you for the perfect craftsmanship.


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