At Wed, 28 Feb 2007 14:19:39 +0100, Jan Kandziora wrote: > No. You need an additional frame which creates accurate edges. Maybe > tape markings on the glass plate are sufficient. If not, try 1mm thick > plastic markings with double-adhesive tape on their back.
I once tried a cardboard frame that I cut out: It wasn't very accurate. Perhaps, I'll try to get some rigid plastic or metal strips that I can glue to the glass plate. -- Felix E. Klee
