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Old 07-16-2012, 01:02 AM   #1
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Cutting Plywood.


Hi DIYers,

I need to cut a hole like this in 3/4" plywood. I know the best tool to use would be a router but I don't have one and don't want to buy one. What would be a good alternative? A Dremel?


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Old 07-16-2012, 01:32 AM   #2
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1' x 6''... Is this a finished product? A circular saw is what most people would use. Just cut into all 4 corners. Flip piece over and you will see about a half inch or so not cut. Repeat process.. If you aren't comfortable with that, second option would be a jigsaw..

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Old 07-16-2012, 01:33 AM   #3
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how perfect does the hole need to be?

Jigsaw or circular saw work well

Last edited by mae-ling; 07-16-2012 at 02:08 AM.
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Old 07-16-2012, 02:36 AM   #4
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Quote:
Originally Posted by CopperClad View Post
1' x 6''... Is this a finished product? A circular saw is what most people would use. Just cut into all 4 corners. Flip piece over and you will see about a half inch or so not cut. Repeat process.. If you aren't comfortable with that, second option would be a jigsaw..
If you mean the plywood, then yes the plywood is finished. I prefer not to use the circular saw, I don't particularly like the extended cuts in each corner.

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how perfect does the hole need to be?

Jigsaw or circular saw work well
I'll think about using a jigsaw. Don't own one, maybe i'll pick one up. Like I said before, the more perfect the hole, the better.
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Old 07-16-2012, 02:39 AM   #5
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Cutting Plywood.


Stop the cuts at the corner, finish with hand saw.

If this is going to be a finished hole, then a router really should be used.

Have also done this type of finished cut with a table saw.
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Old 07-16-2012, 02:46 AM   #6
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Quote:
Originally Posted by mae-ling View Post
Stop the cuts at the corner, finish with hand saw.

If this is going to be a finished hole, then a router really should be used.

Have also done this type of finished cut with a table saw.
I don't have access to a router. I will see if I can expand my options.
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Old 07-16-2012, 06:36 AM   #7
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Quote:
Originally Posted by ReefGuru View Post
.....What would be a good alternative? A Dremel?
  • Definitely not a Dremel
  • And not a plunge cut circular saw except for a track saw
  • Most likely not a Router
  • Not a table saw
  • Most likely a (e.g.) Jig Saw
Guru, Congrats on the Drawing, I'm assuming SketchUp ?
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Old 07-16-2012, 04:56 PM   #8
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Everybody should own a jig saw. Everybody.

It would be my preferred choice in this case as well. Drill your starter hole and then go to work. You will be happier with your lines. A roto-zip will do it, but it will make really messy lines unless you have exception skill with the thing.
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Old 07-16-2012, 05:00 PM   #9
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Bob, yes it is Sketchup.

Is a cheap jigsaw worth while, or should I invest in a good one? I believe in solid tools, my drills are all Milwaukee. But right now I don't feel like I can afford another tool.

Would buying something like this be a waste of money?
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Old 07-16-2012, 06:12 PM   #10
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.....or should I invest in a good one?.....
Would buying something like this be a waste of money?
Amazon has collected almost All Favorable Reviews on the Black & Decker

I have both Bosch and Festool jigsaws but if I had neither, I would not be
afraid to buy either the Black & Decker or this HFT Jigsaw
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Old 07-16-2012, 06:26 PM   #11
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If you are not too fussy about the cut, you can do this with a $10 hand jig saw. You need a nice sharp blade. Start the cut by drilling a hole large enough to fit the saw into, then make the cuts. As noted by others, an electric jigsaw works very nicely for this particular application, but a sharp handsaw is fine, and considerably less expensive.
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Old 07-16-2012, 07:23 PM   #12
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A hand saw, what's that?
Go with the jig saw, fast and easy to use.
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Old 07-16-2012, 09:30 PM   #13
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Quote:
Originally Posted by Daniel Holzman View Post
If you are not too fussy about the cut, you can do this with a $10 hand jig saw. You need a nice sharp blade. Start the cut by drilling a hole large enough to fit the saw into, then make the cuts. As noted by others, an electric jigsaw works very nicely for this particular application, but a sharp handsaw is fine, and considerably less expensive.
Even if you are fussy about the cut, a hand saw isn't a bad option, especially one of these
http://www.amazon.com/gp/product/B00...QRJYS1N9HXNFD3

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Old 07-16-2012, 09:38 PM   #14
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Personally, I'd just do the "fast plunge cut to the corners" with my cordless circular saw and finish with a hand saw. I'd be done in 2 minutes tops. Faster than I could put a blade in my SABER saw and plug it in! I did all of my vent openings this way.

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Old 07-17-2012, 12:51 AM   #15
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I learn something here every day
Quote:
Originally Posted by Daniel Holzman View Post
.......you can do this with a $10 hand jig saw. ...........
There is such a tool and at that price. Bosch calls it
a Pocket Saw. It takes Recip or Jig Saw blades.
I just ordered one from Highland Woodworking
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