Table saw spline jig. (and dovetail joints)

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Forum topic by AJswoodshop posted 08-19-2012 07:28 PM 2090 views 0 times favorited 4 replies Add to Favorites Watch
View AJswoodshop's profile


1057 posts in 2242 days

08-19-2012 07:28 PM

Topic tags/keywords: joining

Most of my boxes, I use a porter cable 4212 dovetail jig, (with through dovetails) but splines are handy for picture frames, and lots of other things.( Also I use box joints a lot too) The main problem with through dovetails, they take a long time to cut them all. I don’t like changing router bits a lot., it bugs me. Plus I don’t have two routers to use on the dovetail jig. Then I use the half blind jig and makes it quicker, so I hardly use the through dovetail jig. I just came across spline joints about a week ago, and love the joint. They leave a very nice joint, plus super strong. (Dovetails sometimes crack and that can cause problems)Tell you the truth, I would rather use a box joint than a dovetail. I was out in the shop today, and cut some dovetails for a box. And the dovetails split, it makes me upset when that happens. Its not the jigs fault, its the joint’s fault. Splines are really easy to cut, if you have a jig. But sadly I don’t have a jig. So If you have a spline jig, please reply a photo of yours!


4 replies so far

View gfadvm's profile


14940 posts in 2655 days

#1 posted 08-20-2012 02:03 AM

AJ go to my projects and scroll back to the spline jig I posted. It was not the first one I made but it is the final one as I think I fixed all the problems from the previous models! It is easy to set up, accurate, and safe.

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

View AJswoodshop's profile


1057 posts in 2242 days

#2 posted 08-20-2012 02:41 PM

Thanks! I’ll go check it out!


View Gene Howe's profile

Gene Howe

10354 posts in 3394 days

#3 posted 08-20-2012 03:28 PM

Have you considered using a dovetail bit in the router table for a spline cavity? Same bit cuts the spline. Easy and it’s quite nice.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View lumberjoe's profile


2899 posts in 2214 days

#4 posted 08-21-2012 03:02 PM

I made one for a cross cut sled. Super simple and it works great


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