Spline Jig

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Project by woodsmithshop posted 1804 days ago 2703 views 5 times favorited 8 comments Add to Favorites Watch

this is the jig I used to make the outside splines on the clock doors I made for my brothers, it is a very simple jig,I set the blade so it is just barely touching the piece of plywood that is against the fence, set your blade height to whatever depth you want for your frame, set a corner of the frame into the jig, and clamp it to the plywood, I used a mag jig to hold the jig against the fence, push the jig through the blade and do not pull back into the blade, you can set the jig so that it cuts in the middle of the frame also. I am sure most of you have seen a jig like this before, and you probably have one already, mine looks crude but it works. when attaching the legs to the ply make sure any screws are above the blade.

-- Smitty!!!

8 comments so far

View degoose's profile


6990 posts in 1978 days

#1 posted 1804 days ago

Simple is best. I too have one of these and use it for small boxes. It works a treat.. I will in future be using the Magswitch feather board as shown here. Much safer.

-- Drink twice... and don't bother to cut... @ For lovers of all things timber...

View woodsmithshop's profile


1114 posts in 2169 days

#2 posted 1804 days ago

I found also that the cuts are more consistently even when using the magswitch, I just got it the other day and it is already my favorite feather board, very easy to use.

-- Smitty!!!

View dustyal's profile


1196 posts in 2099 days

#3 posted 1804 days ago

nice jig… like, I’ve wondered about those mag switch devices… evidently they actually work.

uh, my saw top is aluminum… anybody make a magnet for that, yet? Then, there are those new granite table tops… I see why iron will be popular for years to come.

-- Al H. - small shop, small projects...

View woodsmithshop's profile


1114 posts in 2169 days

#4 posted 1804 days ago

Dusty, as long as you use some kind of feather board to hold the jig tight against the fence you should have no problems

-- Smitty!!!

View cabinetmaster's profile


10874 posts in 2182 days

#5 posted 1804 days ago

Nice jig. I need one for my picture frames. Maybe a weekend project for this weekend.

-- Jerry--A man can never have enough tools or clamps

View Derrek LeRouax's profile

Derrek LeRouax

129 posts in 1918 days

#6 posted 1803 days ago


Thanks for the post. I got your PM and really appreciate all the extra explanation.

-- Derrek L.

View senselessdiver's profile


36 posts in 1662 days

#7 posted 1604 days ago

This is a neat idea! Do you think this setup could work with a router? I want a faster way to make a kehoe joint.

dustyal: I saw someone using a brass fitting tapped into a flat piece of ply or plexi (that has a routed pocket on that faces down) and a vacuum line on a non-ferrous saw deck. Hope that helps.

-- avid termite

View woodsmithshop's profile


1114 posts in 2169 days

#8 posted 1603 days ago

I think it would work on a router table, if you are careful with setup, and you would most likely need a miter gauge with the Kehoe Jig though. but I don’t think it would be faster

-- Smitty!!!

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