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inever December 17 2010, 02:10:07 UTC
Man, those turned out awesome!

I hear you on the difficulties of filing exact geometric shapes. One of my very first projects in school last year was to make a perfect square out of 1mm brass. We all struggled with it. Then our next project was to cut out out a perfect square WITHIN that square. It was murder.

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siobhan_1 December 17 2010, 03:08:53 UTC
Within 1 mm? That's just nuts! Were you using some sort of futuristic laser operating device?

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inever December 17 2010, 14:27:40 UTC
The metal thickness was 1mm. We did it with hand tools. We had to be within .1mm to get a near perfect grade on it. I remember the days when I thought 1mm was a small measurement.

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rivenwanderer December 17 2010, 03:11:42 UTC
Thanks!

How big was the square? Was 1mm the thickness or the size of the sides of the square?

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inever December 17 2010, 14:26:40 UTC
The metal thickness was 1mm. The size of the square was 12mmx12mm. So the side planes had to also be perfectly flat to make the 90 degree corners.

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