Digital box joint jig

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Project by George_SA posted 01-19-2013 08:40 PM 4731 views 17 times favorited 6 comments Add to Favorites Watch

This took me a few months to finish and quite a bit of head scratching. I got some inspiration from Lars's Finger joint jig and from Russ's Yet Another Box Joint Jig.

I spent many hours trying to figure it out

but the end result differs quite a lot from the original plans. I needed lots of coffee to keep me going

I have not been able to purchase Tnuts in South Africa so far and therefor I had to improvise

In the end I am quite happy with the box joints made with this jig
This was the first attempt

and this was my second attempt

This project also gave rise to my Five minute kerfmaker - KM2 with a micro adjustment feature

-- There are some things that money can't buy - Manners, morals and integrity

6 comments so far

View rmac's profile


201 posts in 2783 days

#1 posted 01-19-2013 09:16 PM

Great idea to incorporate the digital caliper!


-- My table saw laughs at hot dogs.

View a1Jim's profile (online now)


115934 posts in 3300 days

#2 posted 01-19-2013 09:17 PM

That’s one amazing jig ,great job!

-- Custom furniture

View  woodshaver Tony C   's profile

woodshaver Tony C

5279 posts in 3075 days

#3 posted 01-19-2013 11:41 PM

I can understand your head scratching! But it looks like you nailed it! Good job!

-- St Augustine FL, Experience is the sum of our mistakes!

View Tokolosi's profile


678 posts in 2078 days

#4 posted 01-20-2013 02:24 PM

Very nice.

-- “There is nothing like looking, if you want to find something. You certainly usually find something, if you look, but it is not always quite the something you were after.” ~ JRR Tolkien

View kiefer's profile


5380 posts in 2389 days

#5 posted 01-20-2013 06:27 PM

Good idea for more precision George .
Thanks for the post and this should work on some other jig as well.
Keep scratching your head ,it seems to help .

-- Kiefer

View emart's profile


440 posts in 2350 days

#6 posted 01-20-2013 11:34 PM

that is amazing. when i upgrade my tablesaw i will have to build a jug similar to this

-- tools are only as good as the hands that hold them

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