Miter Spline Jig for Table Saw Crosscut Sled

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Project by Chad posted 01-14-2013 03:18 AM 3822 views 9 times favorited 5 comments Add to Favorites Watch

After several years of woodworking, I just purchased my first table saw (Porter Cable PCB220). There’s a lot you can do without one if you get creative (although it makes most of those things SO much easier), but miter splines were one of those things I could never improvise my way around.

The first week after getting it, I spent setting it up and making jigs—not the most exciting for me, but I learned a lot. Here’s one I wanted to share. I was going to build a fence-rider sacrificial jig for miter splines, but I made the saddle too tight and it wouldn’t slide. Just as well, because I came up with this design when I couldn’t sleep that night. It’s a simple design—4 pieces of 2-by-something cut at 45’s, screwed and glued onto 1/2 inch ply with 2 other pieces of 1/2 inch ply on top. I added blocks on the sides to clamp it to the crosscut sled fence and a block or maple as a stop. There is a single kerf in the center of the jig—assuming you clamp it in the same place each time, and it should last a while (vs the sacrificial type). Using it the first time was flawless, and I’m glad the fence-rider didn’t work out.

-- Chad in Charleston, SC,

5 comments so far

View a1Jim's profile


117234 posts in 3720 days

#1 posted 01-14-2013 03:20 AM

good idea,good build.

-- wood crafting & woodworking classes

View JSB's profile


737 posts in 2222 days

#2 posted 01-14-2013 04:12 AM

Looks good. Simple and effective

-- Jay -

View busupholstery's profile


54 posts in 3065 days

#3 posted 01-14-2013 11:48 AM

Nice…..Will build one…....

-- Let's see......what can I use this for?

View lumberjoe's profile


2899 posts in 2392 days

#4 posted 01-14-2013 04:16 PM

I did the same thing.

I made it so I can use my T-Track hold down clamps in my sled. It is a really handy jig to have


View Chad's profile


20 posts in 2988 days

#5 posted 01-14-2013 08:40 PM

I like the T-track idea. I will probably modify mine after I build a better crosscut sled. I have plans to build one with all the frills and have the supplies, but wanted to get going on some projects instead. I saw one with miter slot rails here:

And was going to make one similar to that until I realized that I already had a sled with miter rails and a square fence.

-- Chad in Charleston, SC,

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