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I remember seeing that video. Pretty awesome programming.
Paul Nelson
Cell 708-670-6978
Office 512-392-2577
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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of John Yeung
Sent: Tuesday, July 03, 2012 12:15 PM
To: Midrange Systems Technical Discussion
Subject: Re: Need some rack accessory advice
On Tue, Jul 3, 2012 at 12:35 PM, Chris Bipes
<chris.bipes@xxxxxxxxxxxxxxx> wrote:
I actually have a Square hole cutter buried at my Dad's house
somewhere. You drill a round hole the diameter of the square
then put it through the hole and screw the bit on. You then
pump the handle and the hydraulic pressure pinches the
square cutters together.
It is possible to actually *drill* square holes, though. I am mainly
familiar with this as a math problem:
http://www.maa.org/mathtourist/mathtourist_08_31_09.html
but if you Google for "drill square hole in metal" you'll see there
have been actual implementations. One is
http://gizmodo.com/5849810/how-the-hell-can-this-magical-square-hole-drillin
g-machine-works
John
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