Miter key / spline jig (Black MDF)

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Project by mafe posted 04-25-2010 05:21 PM 5253 views 5 times favorited 17 comments Add to Favorites Watch

Here are my attemt on the miter key jig.
It runs extremely smooth on my Festool sled, just attaced to the fence with two clamps, and off we go.
The black MDF are just because it was some I had left, and even it might color a little, it was free, so…
I made also a movable fence or clamp on holder to make fixed sizes (the one with hole in).
So now I made my first box with miter joints – fantastic!
The other end of the jig, I left unused, so it’s ready for another jig…

Have forgotten for a long time to post this picture of the other end beeing used as a sled with fence.

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

17 comments so far

View longgone's profile


5688 posts in 3275 days

#1 posted 04-25-2010 06:12 PM

that is a well designed jig Mafe. I like the adjustability and it looks to be very stable.

View Jim Jakosh's profile

Jim Jakosh

20305 posts in 3072 days

#2 posted 04-25-2010 06:14 PM

Hey Mafe, that is a cool sled. With ways like that I must be hold the dimension pretty good,too.
Does that sled also slide in a groove on the right side of the table saw?

I have a sliding table on my Ryobi but I don’t have and grooves in the top for a standard sled. Without a guide on the right side, I don’t think I could control a sled such as yours with my little sliding table. Yours is really nice!
Good job on those miters. Thanks for sharing.

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

View Chris 's profile


1879 posts in 3958 days

#3 posted 04-25-2010 06:23 PM

Very interesting design; I like it a lot. It gives me ideas for an addition to my own cross cut sled.

-- "Everything that is great and inspiring is created by the individual who labors in freedom" -- Albert Einstein

View bigike's profile


4050 posts in 3255 days

#4 posted 04-25-2010 07:21 PM

very nice work!

-- Ike, Big Daddies Woodshop,

View patron's profile


13600 posts in 3308 days

#5 posted 04-25-2010 07:38 PM

at first glance ,
i thought it was a store bought tool review .

very nice !

should go well with the wife’s black dress and heels (LOL) !

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View Dusty56's profile


11819 posts in 3655 days

#6 posted 04-25-2010 08:58 PM

Black is Beautiful ! Great jig : )

-- I'm absolutely positive that I couldn't be more uncertain!

View Gar's profile


84 posts in 3301 days

#7 posted 04-26-2010 05:15 AM

Handy little jig. Your going to wear that out.

-- GAR

View Splinterman's profile


23074 posts in 3328 days

#8 posted 04-26-2010 10:39 AM

Hey Mafe,
Sweet job…well done.

View Maveric777's profile


2693 posts in 3044 days

#9 posted 04-26-2010 12:41 PM

You did a great job on your jig. Very well done and professional looking.

-- Dan ~ Texarkana, Tx.

View mafe's profile


11643 posts in 3056 days

#10 posted 04-26-2010 12:55 PM

Hi guys,
Thank you for the nice comments.
It’s ‘only’ attached to the sliding sled, it is so stabil, that it need no groove (I was a little impressed).
Yes, I might just wear it out one day, since I can see how it’s easy to work with once the jig is made.
The professional look has a little drawback, that the black MDF can give a little black dust, so I had to cut the first cut a little bigger than the blade, so now there are no ‘loose’ dust.
Best thoughts,

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View Houtje's profile


311 posts in 2939 days

#11 posted 04-28-2010 05:54 AM

It Looks very nice. I have also a Festool tablesaw, but no sliding slede. But I will think about that.
Great jig!!!

View stefang's profile


15881 posts in 3301 days

#12 posted 04-28-2010 02:21 PM

When you make something Mads you really do it well. It looks like a part of your Festool equipment. I’m glad you are with us to give new inspiration!

-- Mike, an American living in Norway.

View Woodfix's profile


341 posts in 3267 days

#13 posted 04-29-2010 12:30 PM

Very well done. Makes my attempt look quite pathetic. Mind you that leaves me with a lot of room for improvement.

Hope you dont mind if I attempt a copy.


-- I would rather have the most memories, than the most money.

View mafe's profile


11643 posts in 3056 days

#14 posted 04-29-2010 01:44 PM

Hi Lumbers,
Houtje,nice to get to know you, it will be interesting I’m sure!
Mike, you make me blush – thank you a lot – you are a big part of my selfconfidense here ;-) and if others read this, go and see his latest box with the inlays – wauuu.
Doug, I just took inspration from the others, did not invet nothing, so put your hands deep in the dove, we are all there.
See you arround all,

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View Hayabusa's profile


173 posts in 2847 days

#15 posted 10-22-2010 09:58 PM

this is just what I was looking for, great Mafe many thanks

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