Originally Posted by
Dennis
Well there is no formula that I know of and there are many variants of the D. So what I rely on is remembering how the normal sizer feels on a knuckle of one of my hands. Then make the D to feel the same.
My notes will say for example: tight (or snug) on the first knuckle of my L. index finger. You can make a shank in copper first, to generate less waste and using this method even try it on the recipient.
You get quite good at it with very little practice, but the memo is only valid for that day, because your own fingers might be different tomorrow.
In recent years I also have made the shanks adjustable, so that they can be fine tuned by a little squeeze on the loops with pliers to tighten, or a push up a ring stick to loosen. Dennis.
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