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Project Information

Finally got around to making one of these, and it works great for any size circle, from very small to large circle projects or holes. Found the idea in a router book someone gave me. Pretty easy to make from 3/4" plywood scrap. You need some extra long screws for attaching base to router, a keyhole bit to make the track for the adjustable hardwood slide, bolt and a knob. A cut off nail makes the pivot point.

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238 Posts
I like the cool design
Need to make one of these for sure
 

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9,963 Posts
I like that design.
I have two circle router jig. One is for circles from basically zero to around fouteen inches. The other one is for circles from twelve inches out to about four foot.
With this design, if you turn the sliding piece around, how far down will the nail go towards the router?
I guess what I'm asking is how small a circle can you cut with this and how large a circle?
I'm thinking of rethinking my circle jig for my router.
 

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I need one of these … today!

Thanks for posting.

-Gerry
 

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128 Posts
William-

I think I can get to about a 2 inch disk on the short side, and about 18" with the slide reversed. I also made a longer sliding insert to get me out to about 40". I haven't tried it out yet.
 

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very nicely done and a very useful jig.
 

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Nice job. I like that you can switch the length of the staff.
 

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Cool and very well done and make the job easier and faster.

-www.sawblade.com
 

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Simply perfect : ) Thank you .
 

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Hello sawdust

You did a very nice job on that circle jig.

In my favorite for the future …
 

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I have a very simple circle-cutting jig for my router that's basically a piece of 1/4" ply attached to the router and a series of holes drilled in it to determine the size of the circle. It's a pain to constantly have to drill new holes in it when I need a new circle size.
I'm gonna have to try this one for its infinite adjustability. Thanks so much for the idea.
 

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That's really nice, what book did you get the plans from! That's something I'am sure I would use all the time. Nice Jig.
 

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Excellent circle cutting jig! I'll bet you'll get a lot of use out of it!

Question, though: How does it cut on endgrain? Does it tear the snot out of it, or does it cut it smoothly? I've had terrible luck with trying to flush trim endgrain…....
 

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Came from a book called Router Magic. Cuts end grain great with a good straight cutting bit.
 

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Yes, I am looking at my copy of Router magic by Bill Hylton - he has a lot of cool ideas in there. Nice job on your jig Sawdust.
 

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Looks good! Might have to make one of these-so how do you keep the end secured to the wood without going so deep that you leave a mark at the center of the circle (even after finishing)?

Or does it just not require that much to keep the center point located?
 
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