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Thread: Centre Finder
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21st January 2008, 08:33 AM #1Ring Master
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- May 2006
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- Lake Macquarie NSW Australia
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Centre Finder
I have been making and using this as a centre finder.
Use a drawing or paint program to draw concentric circles on a cross hair grid.
Substitute Transparency film for paper and print.
I have done this both using Laser and Inkjet Printers and have had good results.
Make a few and discard when damaged.
If you are careful they will last for years.
Pierce the centre so you can use a pencil or compass point.
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21st January 2008 08:33 AM # ADSGoogle Adsense Advertisement
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21st January 2008, 08:50 AM #2GOLD MEMBER
- Join Date
- Oct 2002
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- NSW
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I'll second that idea!
I've used the clear top from shirt boxes, and my "Big 'Un" is the clear plastic lid from a kids toy from some Christmas long ago.
I didn't bother with the CAD/drawing package, just tapped a nail in centre-ish, held the marker in place, and spun the plastic under the marker.
Cheers,
Andrew
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21st January 2008, 10:11 PM #3
Third from me. Vastly superior to the geometric bisector contraptions for irregular shapes, because you can visualise the final circular turning.
JoeOf course truth is stranger than fiction.
Fiction has to make sense. - Mark Twain
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