From: "Bob May" 
To: "atmlist" 
Reply-To: "Bob May" 


Two different ways to get rid of that pesky little problem. The first is to
put the hands one in front of the other rather than side by side and then
when you do a stroke, it goes from the 1/3 off of center to center.  DON'T
go past the center!  Apply pressure on the hand which is pushing the glass
and is generally off of the lap.  What this does is work the area from the
approximate 1/2 zone out to the edge with the edge itself being mostly left
alone.
The second method is to put the lap on top and do chordal strokes like you
did when you were originally carving out the hole.  Make sure that when you
are doing this stroke that the weight is balanced rather than mostly on the
edge of the glass.  This will work all of the surface to a larger radius
again and will work.  You want to have the lap about 1/3 - 1/4 offset from
the center and you want fairly short strokes.  The one hand in front of the
other will work best here also.
Bob May
http://nav.to/bobmay
bobmay{at}nethere.com
NEW! http://bobmay.astronomy.net

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