Finger Joint Jig

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Project by Julian posted 12-27-2018 01:37 AM 2464 views 9 times favorited 13 comments Add to Favorites Watch

This jig is from WoodSmith Shop’s online website. A very simple jig to make and it produces tight finger joints.
I made the fingers from 1/2” thick micarta but it can be easily made from any hardwood. This one is set up for 1/2” wide finger joints. This is the smallest joint possible because of the machine screws. Very pleased with the results. Now I need to make a project using this jig.

-- Julian

13 comments so far

View pintodeluxe's profile


6318 posts in 3824 days

#1 posted 12-27-2018 01:49 AM

That’s a nice looking jig. It looks solid and well made. If I didn’t already have a beehive and boxjoint jig and an Akeda, I would be building this one for sure.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View robscastle's profile


7746 posts in 3215 days

#2 posted 12-27-2018 06:41 AM

That’s a nice looking finger joint. it looks solid and well made. _Sorry couldn’t help myself.
Both the jig and results refelect your precise work!
What are you making?

-- Regards Rob

View horky's profile


319 posts in 3942 days

#3 posted 12-27-2018 03:33 PM

Julian, nice job on the jig. You will have a great time with it, as I do with mine.

View AJ1104's profile


1243 posts in 2670 days

#4 posted 12-27-2018 11:28 PM

Looks great. Enjoy using it!

-- AJ

View Calmudgeon's profile


435 posts in 2438 days

#5 posted 12-28-2018 03:35 PM

The thing I most appreciate about this design is:

1. It’s scalable. You can create a jig for small boxes or one for massive blanket chests
2. Irregular box joints are a no-brainer. A large finger on one side creates a corresponding large recess on the other.
3. Provided you mill the fingers to precise width, it’s a also a no-brainer to build.

-- "As are the things we make, so are we ourselves." - Lin Yutang

View Bricofleur's profile


1480 posts in 4204 days

#6 posted 12-28-2018 04:08 PM

This is project I have in mind too. Thanks for sharing yours.


-- Learn from yesterday, work today and enjoy success tomorrow. --

View Grumpy's profile


26811 posts in 4862 days

#7 posted 12-28-2018 10:15 PM

Julian , nice job and congratulations on your ‘Daily Top 3’ award. There’s nothing like a new jig

-- Grumpy - "Always look on the bright side of life"- Monty Python

View 8iowa's profile


1591 posts in 4772 days

#8 posted 12-31-2018 03:28 AM

I went thru “finger joint hell” after making a jig using Nick Engler’s plans. I now have Incra’s” I box and it cuts finger joints marvelously.

-- "Heaven is North of the Bridge"

View Tim Roman's profile

Tim Roman

26 posts in 2799 days

#9 posted 12-31-2018 03:01 PM

I just saw that episode of The Woodsmith Shop on TV the other day. It’s really a great design and seems very easy to use. Let us know how it works and show some examples when you can. Great work!

-- Tim, Glen Burnie, Maryland

View Tim Roman's profile

Tim Roman

26 posts in 2799 days

#10 posted 12-31-2018 03:34 PM

For those who are interested, here is where you can get the free plans.

It’s under Season 12, Episode 1207.

-- Tim, Glen Burnie, Maryland

View Rwolinski's profile


164 posts in 1336 days

#11 posted 01-02-2019 03:03 PM

Nice job. I found hardware at McMaster Carr that I could use to get fingers down to 3/8. I’ve made two now One 12” and one 30”. I really like your choice of finger material. Won’t wear. Great work and thanks for sharing.

-- What I make is for others....How I make it is for me.

View okiwen's profile


2 posts in 646 days

#12 posted 05-26-2019 04:37 PM

This is exactly what I signed up for. Thank you all. Looking for the plans now…

View sharptoolsl's profile


6 posts in 1081 days

#13 posted 10-02-2020 07:45 PM

I downloaded the plans for this jig from woodsmithshop .com and the first thing is says to do is…”laminate six layers of 1/2” baltic birch plywood together and cut to size”. My question is did you try to glue all six layers at once? It seems like they would be sliding all over the place, or glue two pieces separately and then join those two piece assemblies together. The core of the unit where the six pieces are joined together looks nice and flush all the way around. How do you “trim it to size” so it looks nice and neat like that?

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