LumberJocks

Double Duty Box Joint Jig

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Project by ChrisJ posted 925 days ago 2975 views 16 times favorited 11 comments Add to Favorites Watch

I wanted to try out some box joints on my router table so spent a little time designing a jig. It struck me that I might want to do more than one size of box joints but I didn’t really want to build 2 jigs. I noticed that the router bit is not centered in the table and so I could combine both a 1/4” and 1/2” jig in one. It took a few test pieces to figure out the pin system but both sides work great. The 1/4” side works best on wood that’s 1/2” thick or less, though I’ve tried it with 3/4” with some success—just takes a lot of cleaning up afterwards.

Pics 1-3 are the jig itself
Pic 4 & 5 are PO Box door “safes” (not banks) made using the jig’s 1/2” side (3/4” lumber)
Pic 6 is a frame for a bulletin board made using the 1/4” side (about 1/4” thick lumber)





11 comments so far

View Michael Wilson's profile

Michael Wilson

587 posts in 1087 days


#1 posted 925 days ago

Nicely done. I’ve got to get around to building myself one of these.

View Tokolosi's profile

Tokolosi

653 posts in 952 days


#2 posted 925 days ago

There goes my saturday morning. Guess the lawn will have to wait. Have to build one of these now!!

Great looking jig

-- “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 a1Jim's profile

a1Jim

111999 posts in 2174 days


#3 posted 925 days ago

Good idea well done.

-- http://artisticwoodstudio.com Custom furniture

View TDSpade's profile

TDSpade

68 posts in 1013 days


#4 posted 925 days ago

I like this design as well. Are you using the miter slot at all?

-- For every expert, there is an equal and opposite expert.

View Ben's profile

Ben

302 posts in 927 days


#5 posted 925 days ago

TDSpade, it looks to me like he has a guide that runs the edge of the table. If it had a miter bar, it would need to be switched to use the different sides

-- Welcome to downtown Coolsville, Population: US! --Hogarth Hughes

View JohnMeeley's profile

JohnMeeley

253 posts in 930 days


#6 posted 924 days ago

I like the idea a lot. I’ll be working on my own edition soon. I’ve been messing around with a TS jig, that I’ve scrapped because of the inconvenience of blade changes midstream. Now if I’ll just get down to it, I’ll have fodder for my first post.

-- "The greatest pleasure in life is doing what others say you cannot do."-Walter Bagehot

View BinghamtonEd's profile

BinghamtonEd

1191 posts in 966 days


#7 posted 924 days ago

Very nice, I might have to make one of these this weekend!

-- - The mightiest oak in the forest is just a little nut that held its ground.

View PaBull's profile

PaBull

928 posts in 2262 days


#8 posted 924 days ago

I like that two sided aspect of your jig, very clever!

-- rhykenologist and plant grower

View ChrisJ's profile

ChrisJ

55 posts in 1416 days


#9 posted 924 days ago

TDSpade, Ben is right. It doesn’t use the miter slot, it has a guide on each side that runs along the side of the table.

View Backwood's profile

Backwood

32 posts in 930 days


#10 posted 924 days ago

Great idea!! (slapping forehead)Why didn’t I think of that? Since I left off the miter slot on my router table, I now see how I can build a box joint sled. Thanks a million!!

View TDSpade's profile

TDSpade

68 posts in 1013 days


#11 posted 924 days ago

Thanks Chris, I didn’t see the guide on the other side. This is timely for me as I have been looking at different designs of box joint jigs on the web. I think this one will work for me.

-- For every expert, there is an equal and opposite expert.

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