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Perfect circles up to 4" in diameter and it's as easy as spinning a top.

The jig you see above takes a new spin (literally) on cutting circular recesses and holes. As a matter of fact, it's probably unlike anything you've every seen before.

Cutting large holes or circular recesses usually involves buying large, expensive drill bits. And if you couldn't find the right size, you were simply out of luck. But with the router circle jig shown above, a plunge router, and a long, V2"-dia. bit, you'll be able to easily rout recesses and holes as small as V2", as large as 4", or anywhere in between. And whafs really nice, building the jig only requires a few scraps of plywood, a handful of hardware, and a 6" lazy Susan.

So how well does it work? Extremely well, as a quick glance at the inset photo at right shows. The routing process is just a matter of establishing the depth of cut, plunging the bit into the workpiece, and then giving the router a spin. Depending on the size of the recess or hole, you simply readjust the jig and repeat the process a few more times.

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Perfect Results. With a "corral" to securely hold the workpiece and jig, you can rout smooth, perfectly circular holes. Just clamp the workpiece down, set the jig in place, then simply plunge and spin.

ShopNotes No. 83