Corner spline jig

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Project by lizardhead posted 217 days ago 1422 views 12 times favorited 8 comments Add to Favorites Watch

I have been making Shadow boxes and I needed to build a spine jig. I added a couple features not usually seen. Tape measure, positive lock on dual tracks, I also lowered the tray by cutting the bottom plate in half with a 45 degree bevel. I also added a bridge on both sides to insure the bottom plate stays intact.

-- Lizardhead---Yeah but it's a dry heat--Tempe, Az

8 comments so far

View UncleStumpy's profile


383 posts in 937 days

#1 posted 216 days ago

Thank you for posting this.
I have been really unhappy with the spline jig I have been using for the past year – kind of a standard type you see everywhere…... not as accurate as I would like.
Your version is amazing! I think I will make a smaller version, but it will definitely have the t-track. Thank you again!
PS The fish eye lens on the camera is kind of weird.

-- "They don't want it perfect - they want it SPECIAL"

View jumbojack's profile


1176 posts in 1249 days

#2 posted 216 days ago

Great job. These jigs that ride in the miter slots are the best. I struggled with the fence riders for some time. They get chewed up after a while. Another nice feature of these jigs is drilling stopped holes in dowels.

-- Made in America, with American made tools....Shopsmith

View HillbillyShooter's profile


4478 posts in 917 days

#3 posted 216 days ago

Nicely designed and looks to be sturdy as one could ever need. I also like the fact it rides in miter slots instead of on the fence.

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View toddbeaulieu's profile


389 posts in 1629 days

#4 posted 216 days ago

Oh come on. You can’t tell me that’s as good as my fancy spline jig! That’s pressure treated lumber right there!

View lizardhead's profile


517 posts in 1466 days

#5 posted 216 days ago

Hey Todd that’s right up there with the old woodworkers toughest job making a wooden wheel chock.

-- Lizardhead---Yeah but it's a dry heat--Tempe, Az

View grumpy749's profile


216 posts in 1002 days

#6 posted 216 days ago

Hey Liz. nice jig. If a guy was making a lot of boxes this would be a necessity. I like it. So I’m looking at your jig and I’m thinking if you had another sliding component to sandwich your work would it be more stable. My biggest concern in using this type of jig was my hands are to close to the blade. what’s your thoughts on this.

-- Denis in Grande Prairie. Yesterday is history, tomorrow is a mistery, but today is a gift. That is why it is called the present.....Pink !

View lizardhead's profile


517 posts in 1466 days

#7 posted 216 days ago

grumpy: I do have two sliders for it, since the picture, for the very reason that concerns you. I also painted on some liquid silicone for extra grip. I got the silicone from an Art shop, they use it for making molds.

-- Lizardhead---Yeah but it's a dry heat--Tempe, Az

View Jim Jakosh's profile

Jim Jakosh

11277 posts in 1730 days

#8 posted 211 days ago

Great jig, Dave!!

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

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