Learn how to make an adjustable circle cutting jig for your bandsaw in this step by step DIY tutorial. How to build a bandsaw circle cutting jig. Make repeatable perfect wooden circles! Hello everyone, today I’m sharing how to build a circle cutting jig for your bandsaw. This is a really easy shop project that will make cutting circles a breeze.  Cut a piece of plywood for the base of your bandsaw jig. My circle jig was created to fit on the Rikon bench top bandsaw and is roughly 11″ x 16″. Your dimensions will vary based on the size of your bandsaw and on the size of the average circles that you want to create. The maximum sized circle that I can cut with my jig is just shy of 16″ radius. Step 2: Cut a sliding dovetail. If you have ever tried to cut out a circle, you will know how hard it is, whether using a jigsaw or router, it never seemed to be a perfect circle when you have   The easy way to resolve this problem is to make a circle cutting jig, there are all sorts of fancy jigs out there, that slide, adjust in some way, and look the business, but you don't need them. All you need is a piece of scrap, I used 1/2" plywood, how wide depends on your router, I used my trim router for this, which is not very big, so I only needed a narrow piece. Making a Circle Cutting Jig using the router.  The type I have lets me leave the baseplate for the template set on the router at all time, and I thought a good way to mount the router on the circle jig was to use the correct bushing, and it would fit in a hole in the jig. Quick, easy and accurate. For most circle cutting, the bit used would be 1/2″ diameter or less, so I chose a guide bushing that has an outside diameter of 5/8″. I drilled a 5/8″ hole in the plywood of the jig for it to fit in: The main part of the jig is made from 1/4″ plywood. After drilling the hole, I cut a 3/8″ slot down the middle and trimmed the base to size: The ro.
Step 1: Cut a Piece of Plywood for the Base of the Circle Jig. Cut a piece of plywood for the base of your bandsaw jig. My circle jig was created to fit on the . Apr 12,  · Set the router bit just slightly past the depth of the jig. Turn the router on and start cutting the board. Turn the jig at the pivot point as you cut. This will create a circle. After the first pass, lower the router bit again and make a second pass. Continue this process until the circle has been cut. Apr 03,  · This allows the jig to be adjusted to any increment and any size circle within its capacity. The pivot pin was made by starting with a piece of 1/ threaded rod and turning down one end of the rod to 1/8” on a lathe. The pivot pin is then threaded into a sliding t-nut, sent through the slot in the jig, and secured on top with a knob.

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