Box Joint Jig

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Project by Bsmith posted 11-23-2012 11:43 PM 74619 views 52 times favorited 10 comments Add to Favorites Watch

Wanting to make some boxes with finger joints I had to make the jig first. Pretty simple design. 3/4” Birch plywood with adjustable widths and removable back up board. Right and left sides are adjustable but don’t think I’ll really need to move the left side. I used piece of 1/4” hard board that can be remove and replaced to minimize tear out. As you can see in photo 4 I just turned it upside down and screwed it back in place. Photo 3 shows work in progress. The best idea (not mine, got it here) was the shelf to let boards ride on. Makes for a smoother transition over the saw blade inserts. If you look close in photo 4 you’ll notice it also has an micro adjustment. Or as I like to call it, masking tape. Thanks for looking. Boxes to come shortly.

-- Bryan

10 comments so far

View Jamie Speirs's profile

Jamie Speirs

4168 posts in 3218 days

#1 posted 11-23-2012 11:52 PM

Nice one Bryan

looks a very useful jig and nice and long

good height fence as well


-- Who is the happiest of men? He who values the merits of others, and in their pleasure takes joy, even as though 'twere his own. --Johann Wolfgang von Goethe

View Chris Moellering's profile

Chris Moellering

227 posts in 3009 days

#2 posted 11-24-2012 01:32 AM

Nice design.

-- Grace & peace, Chris+

View gfadvm's profile


14940 posts in 3051 days

#3 posted 11-24-2012 01:39 AM

Nice design. One suggestion: make your “peg” from some very hard wood like Jatoba and it will last much longer than pine which tends to wear and become narrower as you use it.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Prplhrtjarhead's profile


80 posts in 2467 days

#4 posted 11-24-2012 01:40 AM

Very cool.

I continue to be impressed by the ingenuity of LJ members. Imagine if the rest of the general public engaged their brains instead of their thumbs on various remotes

-- "We'll preserve for our children this, the last best hope of man on earth, or we'll sentence them to take the last step into a thousand years of darkness." R. Reagan, "The Speech", 1964

View BadDavid's profile


86 posts in 2393 days

#5 posted 11-24-2012 02:36 AM

I second the use of a piece of hardwood. Great job…

-- BD, where bad wood finds a home. Va

View a1Jim's profile


117616 posts in 3938 days

#6 posted 11-24-2012 02:40 AM

Looks good Bryan good jig.

View Straightbowed's profile


717 posts in 2659 days

#7 posted 11-24-2012 04:02 AM

that be a nice jig way to go Lumberjocker

-- Stevo, work in tha city woodshop in the country

View RogerM's profile


799 posts in 2760 days

#8 posted 11-24-2012 04:24 PM

Nice work Bryan. Looks like you are getting some decent results from it. Several good ideas here that I may look into developing. Thanks for the post. GO Kansas State (Former Wildcat)

-- Roger M, Aiken, SC

View HorizontalMike's profile


7786 posts in 3275 days

#9 posted 12-02-2012 01:58 PM

I really need to make this jig! I have not made any neat joints yet and I REALLY NEED TO MAKE THIS JIG! Just marked it to my favorites! Thanks!

-- HorizontalMike -- "Woodpeckers understand..."

View mrmartyman7's profile


1 post in 1847 days

#10 posted 05-02-2014 08:25 PM

Hello everyone I just found the site today how do I view the plans?

-- Marty

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