| http://www.w3.org/ns/prov#value | - F. GuffeyJuly 12, 2009, 10:44 PMawbrock, from the celing hang a strang (string) and all the weight it will support, the string is a straight up and down (plumb) line instead of the target on the wall, then do everything you did before, except align the vertical cross hair with the string then adjust the cross hair to the far right then stop, you can count the clicks back to the left extreme or ali
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