[Jewelry making - Article 00465] - Re: [Orchid] Hitting the right ring size

[John Donivan]

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>     Does a ring hole have to be round? 

    Well, Jonathan, you come to my restaurant, you order a $50 steak, you
    want it medium rare, so I cook it well done and just serve it
    up...... On the other hand, does anything HAVE to be anything? I have
    always thought that if it's a circle or a square, it should BE a
    circle or square - if you want it oblique, make it oblique, not just
    a crooked circle. I make "perfect" circles when I can on the lathe,
    but I have a lathe. Otherwise, it's pretty simple, really. I lay out
    lines on a wax all over, but for the ring size I just get dividers
    and mark a circle of the size or a little bigger on both sides.
    Standard ring tube = 15mm hole, need 17mm, so mark a 1mm line around
    it. Then I cut up to or nearly to that line, all around, and I use a
    file to do it, and do it on both sides - then you know it's equal and
    straight. Finally, make it 1/2 size small, then you can pound it up
    round and to size in metal.. 

http://www.donivanandmaggiora.com
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