What to use to cut bigger circles?

[Qbenjamin 10+ year member]

I have started preparation on my box build, but I ran into a small problem today. My circle cutter for my Dremel only goes up to 12 inches. I am building a box for a 15" woofer, so I need about 2 1/2 inches more diameter outta my circle cutter. Is there anything else I could use to get that perfect circle? I have the router attachment also, but I don't like cutting holes without the circle guide. Any info would be appreciated. Thanx, Quintin.

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[tEh koRnDog 5,000+ posts]

a saw

 

[Qbenjamin 10+ year member]

crap, I posted in the wrong section again...

 

[Supergumby5000 5,000+ posts]

jigsaw ftw

 

[CrazedCat 10+ year member]

Jasper circle jig and a router. It cuts circles from 7" to around 53" in diameter.

 

[Max_Power 10+ year member]

jigsaw ftw

prolly the easiest/cheapest route

 

[Thieroff 10+ year member]

Jasper and router are much much more accurate

Jigsaw works just fine, with patience and a steady hand

Plus you can pick up a jigsaw for 25 bucks, a router and a jasper would run you closer to 150+bits

CT