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I have an idea and wonder if it will work. Use some freeware cad program, use it to draw a cross hair then draw 6", 8", 10" and 14" circles using the cross hair as the common center. Print this onto a Transperency Sheet, use a hobby knife to cut litle slits in the cross. This template can then be set ontop of the primary mirror taped to the edges, or taped to the little clamps. You then use a non-perminent text to draw the lines off the cross hair through the slits.
It should not be difficult to make slits for diffrent patterns, but i am guessing the cross is the best to align using a cheshire.
What do you guys think?? Could these be our DIY guide.
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