I haven't actually contributed anyting of significance lately so today when I was making an Rx lens for a pair I thought I would write up the design for others to use. It is a double surface desig I use for wrap frames, a secondary curve is detrmined to create a lenticular design which thins the edge out. It is a rough draft, but has come in handy. I will at some point incorporate it into a program. Enjoy.
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