[ATM] Support for a slumped mirror blank

[vorblesnak@peak.org]

As a result of the discussion about supporting a slumped blank for
grinding I made the support base pictured in these links.  The placement
of the support points on the disk were plotted from the data found in a
plop mirror cell for the finished mirror.

http://www.atmlist.net/contrib/vorblesnak-at-peak-dot-org/Slumped%20Mirror%20Support/42%20Point%20Support.jpg

http://www.atmlist.net/contrib/vorblesnak-at-peak-dot-org/Slumped%20Mirror%20Support/42%20Point%20W%20Mirror.jpg

http://www.atmlist.net/contrib/vorblesnak-at-peak-dot-org/Slumped%20Mirror%20Support/54%20Point%20support.jpg

David Davis
Toledo, OR 97391

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