Double coneAttributed to Roger BagulaGraphics by Paul Bourke Oct 2005
y = (v - 1) cos(u + 2 pi / 3) z = (1 - v) cos(u - 2 pi / 3) where 0 < u < 2pi, -1 < v < 1
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Double coneAttributed to Roger BagulaGraphics by Paul Bourke Oct 2005
y = (v - 1) cos(u + 2 pi / 3) z = (1 - v) cos(u - 2 pi / 3) where 0 < u < 2pi, -1 < v < 1
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