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Gemstones, Minerals & Fossils
Lapidary
Technical Advice for Cutting Stones
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<blockquote data-quote="Wally69" data-source="post: 435003" data-attributes="member: 1916"><p>Thanks Hu, </p><p></p><p>Having had a bit of a play with it last night, thinking that stone design can only be done around the axis of the dop, to replicate a design cut on fixed angles you must start with enough rough size to support the fixed-angle design.</p><p></p><p>The Vargas design I chose enables the lengthening of the stone by extending the middle facets and this has the effect of changing the relativity of the the dop centre, indicating centring around the non-variable facets would speed up the cutting.</p><p></p><p>Thanks for sharing you photo, looks great. I have avoided cutting pears, kites and other elongated shapes to date, but the more I look at them, the more I like them</p></blockquote><p></p>
[QUOTE="Wally69, post: 435003, member: 1916"] Thanks Hu, Having had a bit of a play with it last night, thinking that stone design can only be done around the axis of the dop, to replicate a design cut on fixed angles you must start with enough rough size to support the fixed-angle design. The Vargas design I chose enables the lengthening of the stone by extending the middle facets and this has the effect of changing the relativity of the the dop centre, indicating centring around the non-variable facets would speed up the cutting. Thanks for sharing you photo, looks great. I have avoided cutting pears, kites and other elongated shapes to date, but the more I look at them, the more I like them [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Technical Advice for Cutting Stones
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