Right angle clamp jigs

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Project by Sandra posted 12-04-2012 02:11 PM 27718 views 65 times favorited 31 comments Add to Favorites Watch
Right angle clamp jigs
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This is a blatant copy of LJ David Craig’s jigs. Thanks David!

While for many this might not qualify as a ‘project’, I wanted to show how easy but practical these are. I used a scrap piece of 3/4” plywood, cut to size on my TS, did the angles on my CMS, drilled the holes with my impact driver and cut out the notches using my jigsaw. It’s going to take me longer to clean up than it did to make these.

The corners are cut off for glue run-off, and I presume the holes are for hanging them when not in use.

I needed these for my next project which will be a cart for cutoffs. I intend to use the jigs to clamp the upright dividers. I had looked at a similar jig in the Lee Valley catalogue, but knew I’d find a better solution on this site.

It was a very satisfying hour in the shop. Thanks again David.


-- No, I don't want to buy the pink hammer.

31 comments so far

View Monte Pittman's profile

Monte Pittman

30442 posts in 2852 days

#1 posted 12-04-2012 02:14 PM

Always better to make your own when you can. Good job on these.

-- Nature created it, I just assemble it.

View patron's profile


13654 posts in 3855 days

#2 posted 12-04-2012 02:29 PM

well done sandra

anything that helps
get the job done
better and faster

is always good

more time to build

here is a little ‘helper
you may have missed

by a new member GnarlyEric
coming up fast
with great ideas and tricks
worth keeping an eye open
for his future blogs

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

View a1Jim's profile


117722 posts in 4091 days

#3 posted 12-04-2012 02:57 PM

Good job,I think I first saw these in shop notes.

View JoeinGa's profile


7741 posts in 2521 days

#4 posted 12-04-2012 03:04 PM

I saw these in one of the woodworking magazines probably about a year ago. Just last week I ran across the article and made a pair. I’ve already used them 3 or 4 times and have said to myself… Why didnt I make these sooner? They’re VERY handy! I’m gonna make a few more and paint ‘em a bright color so I dont lose them in a scrap pile accidently.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View jap's profile


1251 posts in 2568 days

#5 posted 12-04-2012 03:26 PM

very useful

-- Joel

View HillbillyShooter's profile


5811 posts in 2806 days

#6 posted 12-04-2012 05:11 PM

Not sure I understand how it works—maybe I’m just dyslexic today. But, it sure is pretty. You’ve done a nice job, and it certainly qualifies since it is made of wood.

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

View airfieldman's profile


185 posts in 4325 days

#7 posted 12-04-2012 05:31 PM

I believe the holes are used to quick clamp them into place, assiting in the final clamping. At least, that’s how I use mine. :-D

-- Measure with a micrometer, mark with a crayon, cut it with a chainsaw.

View Sandra's profile


7207 posts in 2589 days

#8 posted 12-04-2012 05:46 PM

Ahhh. I’m in the process of using them right now, working on a lumber cart.

Hillbilly – there are 6 jigs in the picture. Don’t get distracted by the pretty ;)

-- No, I don't want to buy the pink hammer.

View HillbillyShooter's profile


5811 posts in 2806 days

#9 posted 12-04-2012 06:11 PM


See you’re on to me—always distracted by the pretty face. LOL


P.S. How about posting a picture of how you’re using them right now (instead of just toying with us)?

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

View Grumpymike's profile


2425 posts in 2829 days

#10 posted 12-04-2012 06:14 PM

On my first set I didn’t notch the inside corner, ... Well, I had a heck of a time getting them out after a glue up.
I use these corner clamp blocks on every case, for dry fit and glue up … with notches of course :-)

-- Grumpy old guy, and lookin' good Doin' it. ... Surprise Az.

View Vrtigo1's profile


434 posts in 3506 days

#11 posted 12-04-2012 07:01 PM

Haven’t seen these before but I did make some quick and dirty ones very similar although not as pretty a while back when I needed some.

I have had my eye on some of the commercial aluminum ones for a while but just haven’t pulled the trigger yet at $16 a pop. The commercial ones all say they’re guaranteed accurate to about .002” and it seems like metal is a lot less likely to move by itself or under clamping pressure than wood is. I would be curious to hear from you after you’ve used them on some projects to see how they perform. Maybe I can save myself some money!

View Dennisgrosen's profile


10880 posts in 3629 days

#12 posted 12-04-2012 10:12 PM

making a tool for the shop does count :-)


View mIps's profile


200 posts in 2569 days

#13 posted 12-04-2012 10:12 PM

I made some of these myself and they are very handy. The circle is supposed to be for spring clamps but I use them for hanging when not in use. Quite worth the effort to make.

-- Be honest, honorable, kind, work hard, and generally be awesome.

View schuft's profile


123 posts in 3121 days

#14 posted 12-04-2012 10:14 PM

@John (Hillbilly)

Check out the second image from David Craig’s workbench blog, it shows the clamp jigs in action.

View woodbutcherbynight's profile


5974 posts in 2923 days

#15 posted 12-05-2012 01:18 AM

Nice jig, guess I will be in the shop tomorrow night borrowing this idea. Have a few ideas to add but as always someone sparks and idea and your imagination runs with it.

-- Live to tell the stories, they sound better that way.

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