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router circle cutting jig

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Project by Sawdust posted 01-31-2013 02:35 AM 7568 views 37 times favorited 17 comments Add to Favorites Watch

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.





17 comments so far

View Bill_N's profile

Bill_N

234 posts in 937 days


#1 posted 01-31-2013 08:19 AM

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

-- I have the Saw Dust Fever

View William's profile

William

9047 posts in 1501 days


#2 posted 01-31-2013 12:19 PM

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.

-- http://wddsrfinewoodworks.blogspot.com/

View TheDane's profile

TheDane

3794 posts in 2322 days


#3 posted 01-31-2013 01:43 PM

I need one of these … today!

Thanks for posting.

—Gerry

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

View Sawdust's profile

Sawdust

125 posts in 3066 days


#4 posted 01-31-2013 02:25 PM

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.

View PurpLev's profile

PurpLev

8476 posts in 2307 days


#5 posted 01-31-2013 02:28 PM

very nicely done and a very useful jig.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View Jorge G.'s profile

Jorge G.

1526 posts in 1134 days


#6 posted 01-31-2013 04:54 PM

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

-- To surrender a dream leaves life as it is — and not as it could be.

View Fishinbo's profile

Fishinbo

11236 posts in 834 days


#7 posted 01-31-2013 04:59 PM

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

—www.sawblade.com

View helluvawreck's profile

helluvawreck

15824 posts in 1525 days


#8 posted 01-31-2013 05:07 PM

You did a very nice job on that circle jig.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View Dusty56's profile

Dusty56

11659 posts in 2347 days


#9 posted 01-31-2013 05:47 PM

Simply perfect : ) Thank you .

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

View Diggerjacks's profile

Diggerjacks

1756 posts in 1797 days


#10 posted 01-31-2013 06:28 PM

Hello sawdust

You did a very nice job on that circle jig.

In my favorite for the future …

-- Diggerjack-France ---The only limit is the limit of the mind and the mind has no limit

View cgrooms's profile

cgrooms

36 posts in 1749 days


#11 posted 01-31-2013 11:05 PM

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.

View Alan72's profile

Alan72

97 posts in 691 days


#12 posted 01-31-2013 11:34 PM

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.

View Mean_Dean's profile

Mean_Dean

1474 posts in 1806 days


#13 posted 02-01-2013 01:08 AM

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…....

-- Dean

View Sawdust's profile

Sawdust

125 posts in 3066 days


#14 posted 02-01-2013 02:23 AM

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

View exelectrician's profile

exelectrician

1575 posts in 1086 days


#15 posted 02-01-2013 06:38 AM

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.

-- Love thy neighbour as thyself

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