March 16, Router Jig For A Perfect Circle. 36 Comments. by: Mike Szczys. December 25, We once enlisted a contractor to cut a plywood circle for a cat condo we were building. Now we’re embarrassed that we couldn’t come up with a solution as eloquent and easy to use as this circle cutting router jig which [Grays42] built.  The jig is made up of two thick-walled pieces of PVC pipe. We don’t think the router is attached to jig. Instead you hold it against the wooden spacer which is on the outside edge of the cut. He doesn’t mention how he made the spacers, but we’d recommend cutting a hole the size of the pipes and then ripping down the middle to remove some of the material (tape the two spacers together during fabrication to ensure proper alignment). This router jig is what you need! In this blog, you will see step by step how to build this woodworking jig.  Use your router to make the circle. Watch the video here. Before we build this router circle jig. Safety first! Materials I used for this router Circle making jig. (power)Tools I used for this ROUTER CIRCLE MAKING JIG. Building the jig step by step. Step 1 | Preparing the rotation point disks. Jasper Circle Guides are designed with details to make it easy to rout perfect, smooth circular cutouts. The smaller Jasper Model Circle guide makes different size cutouts from /4" to 18"-diameter in 1/16" increments. It's designed to be used with a 1/4"-dia. router bit. The large Jasper Model makes different circular disks from 7" to /4"-diameter in 1/4" increments. It uses a 1/2"-dia. router bit. You can use other bit sizes, but you have to do some math to be able to set the jig to the proper radius before cutting a circle.
Oct 17,  · You can easily cut perfect circles for your next woodworking project, using a router attached to a circle cutting jig. The circle jig acts as a compass, guid. This is a video about how to build a router jig to cut circles. It a very simple design but it works really good for most www.- below to check ou. Tools-router 1/4" router bit 3/4" router bit straight edge pencil drill or drill press 1/4" drill bit chamfer bit saw (prefferably a tablesaw or bandsaw, but any will work)Materials-Scrap of MDF or cabinet grade plywood 1/4"x20 tpi threaded rod 3" long (or a 1/4"x20 tpi bolt with the head cut off) 1/4" x20 tpi T nut (or pre-made t-handle) 1/4"x20 tpi standard nut 3/4" OD washer I don't have a Estimated Reading Time: 7 mins.

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