Circle cutting #3: Jig Pics

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Blog entry by degoose posted 03-26-2009 08:48 AM 3815 reads 10 times favorited 5 comments Add to Favorites Watch
« Part 2: About to start Part 3 of Circle cutting series Part 4: Using the jigs »

Here are a few of the pics of the JIG I promised. sorry bout the size, camera settings are skewwiff

Notice the Dovetail Slide, all cut from one piece. at the end closest to the bandsaw is a 5/16 bolt to use as a pivot and another bolt in a T-nut to secure the slide when you have adjusted the blank to the blade.
You drill a matching hole in the centre of your square blank. mount it on the bolt and spin through the bandsaw blade,. sorry if this is a bit sloppy. and I hope you can make some sort of sense out of it all


well next time a few of the Jig in action cutting circles.
TTFN Larry

-- Be safe.

5 comments so far

View kiwi1969's profile


608 posts in 4904 days

#1 posted 03-26-2009 09:10 AM

Yup thats a big jig but it,s better than being too small! Nice and simple, gets the job done. Caboolture,s a nice part of the world by the way. Hope I didn,t wake you on sunday mornings when I was fanging my big Ducati thru there on the way to Maleny!

-- if the hand is not working it is not a pure hand

View Scott Bryan's profile

Scott Bryan

27248 posts in 5284 days

#2 posted 03-26-2009 12:54 PM

This is interesting. I like the versatility of this jig since it is adjustable for any diameter up to the length of the jig.

Larry, have you ever tried just using a pin as a pivot point rather than the bolt? I was just considering that in some cases you might not want to drill a hole completely through the blank and using a nail as a pivot point would only entail drilling a 1/4” hole in the underside of the blank in order to mount it. This is not as secure an arrangement as you have here but it would yield a circle without a center hole.

Just a thought.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View jerryw's profile


158 posts in 5378 days

#3 posted 03-26-2009 08:17 PM

I have a circle cutting jig similar to yours. I used a sharpened dry wall screw for the pivit point. I stick the wood down on the point and turn, have used jig for 10 or 12 yrs with no miss happs. I make hundreds of basket bases on it every year.

-- jerryw-wva.

View degoose's profile


7287 posts in 4817 days

#4 posted 03-26-2009 09:11 PM

Scott sorry wasn’t clear about the hole it is only partially drilled into the blank not all the way.

-- Be safe.

View Beginningwoodworker's profile


13345 posts in 5135 days

#5 posted 03-27-2009 04:56 PM

Intersesting Jig.

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