Digital box joint jig

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Project by George_SA posted 558 days ago 2816 views 16 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


187 posts in 1665 days

#1 posted 558 days ago

Great idea to incorporate the digital caliper!


-- My table saw laughs at hot dogs.

View a1Jim's profile


112001 posts in 2181 days

#2 posted 558 days ago

That’s one amazing jig ,great job!

-- Custom furniture

View woodshaver's profile


2739 posts in 1957 days

#3 posted 557 days ago

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

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!

View Tokolosi's profile


654 posts in 959 days

#4 posted 557 days ago

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 (online now)


2969 posts in 1271 days

#5 posted 557 days ago

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 松

View emart's profile


234 posts in 1232 days

#6 posted 556 days ago

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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