Spline Jig

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Project by Chase posted 491 days ago 2314 views 40 times favorited 10 comments Add to Favorites Watch

Spline Jigs seem to be pretty ubiquitous. The interesting thing I noticed in looking through all the LJ spline jigs though is that they are all quite different. People have thought of a lot of different ways to do a spline jig. Where as something like a crosscut sled seems to only appears to come in different sizes to me. Any who, here is my version to throw on the pile and help spark some ideas.

This jig helped me out with a large picture frame project and worked like a charm. the sliding section lets me set the spline position, and makes it repeatable. The base has slides in the miter grooves, so it doesn’t rely on the fence. I started by building the 90deg inside saddle, then positioning with a number of 45deg cut offs. the two close together in picture two help keep the blade buried. I finished in BLO, and am very happy with this jig.


-- Every neighborhood has an eccentric neighbor. I wondered for years "who was ours?" Then I realized it was me.

10 comments so far

View tonybrews's profile


144 posts in 645 days

#1 posted 491 days ago

very functional, I’m favoriting so I can use your design. Thanks for sharing.

-- Tony, Colorado,

View mariva57's profile


421 posts in 606 days

#2 posted 491 days ago

Great project, very useful adjusting the distance with
  the T-track.

-- The common man thinks. The wise man is silent. The stupid man discusses.

View Greg D's profile

Greg D

199 posts in 553 days

#3 posted 491 days ago

Looks great. I like the design, thanks for sharing.

-- Greg D, Cen. CA, "Keep it on the Level, Do it Right the First Time!"

View hjt's profile


773 posts in 1740 days

#4 posted 491 days ago

Chase – very good. I’d like to see some photos of you using it and the finished project whenyou have time. BTW – I live in Melbourne too.

-- Harold

View Chase's profile


448 posts in 1628 days

#5 posted 491 days ago

Sweet Harold! How about this weather? Crazy wind, first it was 90, now it is in the 60s. I finished the picture frame a while back and gave it as a wedding present. I will have to post pictures from the next frame.

-- Every neighborhood has an eccentric neighbor. I wondered for years "who was ours?" Then I realized it was me.

View hjt's profile


773 posts in 1740 days

#6 posted 490 days ago

Hey! who you calling sweet??? :~)

No joke! That rain storm came in with a fengine. Thank God, though, as we need the rain.

BTW – I like your “eccentric” tag line.

-- Harold

View hoss12992's profile


2463 posts in 494 days

#7 posted 490 days ago

Great job, love the adjustments on it

-- The Old Rednek Workshop

View workerinwood's profile


2708 posts in 1669 days

#8 posted 490 days ago

Great job!! Like your design.

-- Jack, Albuquerque

View Dwain's profile


323 posts in 2460 days

#9 posted 490 days ago

I am officially notifying Chase that I HAVE EVERY INTENTION of stealing this idea for my own shop. Thanks, a great jig!

-- When you earnestly believe you can compensate for a lack of skill by doubling your efforts, there is no end to what you CAN'T do

View Tooch's profile


583 posts in 477 days

#10 posted 475 days ago

been looking for a good design to do splines for some time now. thanks for sharing!

-- "Well, the world needs ditch-diggers too..." - Judge Smails

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