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Project by kiefer posted 09-20-2019 09:53 PM 788 views 6 times favorited 20 comments Add to Favorites Watch

This is a very simple attachment to cut 45 DEG. mitre and spline slots for boxes .
I made this because a lot of times the box sides are too tall to fit on the mitre saw and this is a simple and easy to make solution that attaches to just about any TS sled with a C CLAMP .To cut the box sides I cut the sides to just slightly oversize in length and cut the mire on one end on the long pieces and then set the jig to exact length and cut the mitre on the opposite end and then repeat this on the shorter pieces .I undercut the end of the stop block to protect the mitred end ot the board and use the face of the mitred end instead to set the length .
The spline grooves are cut the same way but I use the the sled base as a index for this and use the toggle clamp as a hold down also . This simple jig is surprisingly accurate and quick and easy to use .

-- Kiefer

20 comments so far

View a1Jim's profile


117722 posts in 4090 days

#1 posted 09-20-2019 10:00 PM

Nice build perfect for putting in spline kerfs.

View Jim Jakosh's profile

Jim Jakosh

23387 posts in 3618 days

#2 posted 09-20-2019 10:41 PM

Very slick, Klaus. Necessity is the mother of invention! You proved it again!

cheers, my friend…...............Jim

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

View shipwright's profile


8381 posts in 3311 days

#3 posted 09-20-2019 10:49 PM

Looks great Klaus but needs marquetry. I like the clamping idea and the dual use for mitre and splines.
.... clever….

-- Paul M ..............the early bird may get the worm but it’s the second mouse that gets the cheese!

View pottz's profile


6389 posts in 1497 days

#4 posted 09-20-2019 11:47 PM

ive seen many of these and i keep sayin i need to make one,well it’s now on my today boardin my shop.thanks buddy.

-- sawdust the bigger the pile the bigger my smile-larry,so cal.

View Redoak49's profile


4190 posts in 2501 days

#5 posted 09-21-2019 12:37 AM


View DocSavage45's profile


8865 posts in 3355 days

#6 posted 09-21-2019 12:52 AM

It’s Kieferisque!

Always thinking and evolving. Thanks!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View  woodshaver Tony C   's profile

woodshaver Tony C

6832 posts in 3866 days

#7 posted 09-21-2019 03:04 AM

Very clever Klaus I like the sliding clamp. You always have a better idea! Thanks for sharing!

-- St Augustine FL, Experience is the sum of our mistakes!

View doubleDD's profile


8661 posts in 2556 days

#8 posted 09-21-2019 03:34 AM

I was going to say slick too. It sure is a easy and different way to do it. I’ll take two birds with one stone anytime.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View Andre's profile


2805 posts in 2319 days

#9 posted 09-21-2019 05:50 AM

A little more refined than my system, but that is t be expected!

-- Lifting one end of the plank.

View Peteybadboy's profile


1178 posts in 2462 days

#10 posted 09-21-2019 10:53 AM

Very good idea. Thanks for posting.

-- Petey

View drewpy's profile


967 posts in 1870 days

#11 posted 09-21-2019 11:56 AM

Great job Klaus and neat idea.

-- Drew -- "The greatest wealth is health".

View Bricofleur's profile


1466 posts in 3706 days

#12 posted 09-21-2019 12:37 PM

Great design, Keifer. I’d guess you had this one in mind for a long time. Enjoy and keep making lovely boxes.


-- Learn from yesterday, work today and enjoy success tomorrow. --

View Albert's profile


532 posts in 4102 days

#13 posted 09-21-2019 02:22 PM

Good idea, I’ve added it to my list. Thanks for posting it

View dannmarks's profile


1005 posts in 1094 days

#14 posted 09-26-2019 10:24 PM

So simple and clever

View woodworkfkdn's profile


297 posts in 18 days

#15 posted 10-03-2019 08:38 PM

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