How to Build a Circle Cutting Jig For Your Router

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In this video I show you how easy it is to build a circle cutting jig for your router! Wood circles are one of the trickiest shapes to get exactly right, but with this jig you'll be cutting perfect circles in no time! You can also use it to cut wood rings, make large holes, etc. All the parts are very inexpensive and readily available.

#CircleJig #PerfectCircles #RouterJig

0:00 Introduction
1:11 Parts Required
3:34 Hardware Assembly Example
4:41 Make A Template
5:13 Mark And Cut Router Mounts
8:00 Mark and Cut Center Slot And Body
10:57 Pivot Hardware Assembly
12:42 Final Assembly
15:45 Example Usage
17:01 Conclusion

As I mentioned in the video, I found all the parts at my local Lowes or Home Depot, but if you need to order them online, here are some affiliate links to parts which should work:

Music tracks used in this video:
“Off the Rebound“- Silent Partner
“Stalling” - Topher Mohr and Alex Elena
“Clear Eyes” - Silent Partner
“Black Vulture” - Silent Partner
“Cruiser” - Silent Partner
“Across the Room” - Letter Box
“Led Foot” - Ethan Meixsell
“You’re There” - The Mini Vandals

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I just finished this project. I built it in to a rolling cart that slides under my workbench. I can remove it and slide another device in its place. I cut two 16” rounds in minutes. My wife is thrilled, but I have a feeling my “me-time” just took a major hit. I think I will be cutting more craft projects than I bargained for! Thank you so much for sharing this.

bktakephotography

wow! you just saved my day. im making speaker box and i wanted the hole to look good. thanks.

laguilayanisulan

Simple but useful. Thanks for sharing and congrats from Brazil.

altairmytube

This thing is so satisfying to use, I've cut up a lot of my scrap plywood just playing with it. :)

AmplifyDIY

In most cases, rather than doing the math, it's easier to mount the router in the jig, then directly measure your radius off the bit itself. Great video, thanks.

ewong

Great job. Best tutorial I have seen for a jig yet. The roundover and radius work, even though not filmed, made it a great looking jig making it worthy of being made of Baltic birch.
I am making this for a community woodshop in various sizes(for ease of use) and will be making several pin combos. I am thinking maybe a little bigger pin and knob combos, certainly smaller, both pointed and squared off . I will make the squared off pins so that do not go all the way through the wood, maybe 1/4", 3/8, + 1/2", so one surface is left untouched/ presentable.

This is going to be a teaching project to introduce several tools to newbies.

I have several 1" X 2" 3D printed open boxs I made for 1/4 hex bits and will glue a magnet in the bottom so they do not run off. Your use of a magnet was great.

Thanks again

MrDoihaveto

Thank You for the very fast reply and great information.

philstat

@7:25 Two tips borrowed from the metal working trade. Plywood is a laminate of differing sheets applied with grains at opposite angles for increased strength. When "wood butcherin" millimeter accuracy is not normally a prerequisite. Go ahead and drill, but know because of those odd angled sheets in the ply a bit can "walk" on you. To increase accuracy in ply; Tip #1, first pre-punch the mark with a good sized finishing nail, or smackable wood awl going at least through the first layer of the ply, plus. Tip #2, pull the nail/awl and use drill bits of smaller size working up to your finished hole. More work, but in the odd case where wood has to match machine shop tolerance this stacks the odds in your favor. Good video! I'll make one of these.

Klooch

“Great job” now I need to do is go out to the shop and make one. ⭐️⭐️⭐️⭐️⭐️

w.j.bendellr.c.flying.

When you place the router base plate on the plywood, use a Vix bit to locate the holes . Much more precise. Great setup with the knob.

randymarshall

Great simple tutorial. For circles I don't want a hole in, I use double sided tape on a T-bolt and that becomes my pivot pin.

ryanj.hanson

Thank you so much for this…I wish it had been the first one I watched, I could have saved time and money! It’s def the last circle jig tutorial I’ll be watching…🙏

kbos

08:40 *No* excuses. That perspective is just about right. That cute little jig now looks like a monstrous Star Trek spaceship. Captain *Kirk* salutes you.

GNU_Linux_for_good

super video veto understand much liked the way you explained everything fully, It made it so much simpler

michaelfetty

Nice vid. Small tip... Instead of marking the holes from your router place and drilling, use a self centering drill bit directly from the base plate instead of marking for the holes. Will be perfect every time. Of course, you need to have self centering drill bits :)

BronkBuilt