Nice, good idea. Last time I played with one of those it was a black cross using a laser toner printer - it did work if the sun was in the right spot but I think your idea would be a lot more effective.
Nice, good idea. Last time I played with one of those it was a black cross using a laser toner printer - it did work if the sun was in the right spot but I think your idea would be a lot more effective.
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