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  1. K

    Question: The problem of dividing section by a divider

    Hello. How's it going well? Im in trouble in dividing section on the ring I have a ring(diameter:: 16mm). And I want to divide into 8 section. So i calculated like this. 16×3.14÷8 = 6.28 and adjust my divider to 6.28 and divided the ring. But it was so different. It's big difference like...
  2. K

    Question: Help me to know that happen at curve

    Hello. Glad to your days. I usually do hand push and use flat graver(45face/15heel). You can see the ripped things beside of curve. Can I know what happend to this matter..?? (It happens at the copper, no happen at the silver plate)

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