A heart surface is the zero set of one sextic, (x² + 9/4 y² + z² − 1)³ − x²z³ − 9/200 y²z³ = 0. The first term alone is an ellipsoid squeezed to 2/3 along y. The x²z³ term lifts its sides into two lobes 1.237 high around a dimple at z = 1, and draws the lower half in to a

Name: A heart surface is the zero set of one sextic, (x² + 9/4 y² + z² − 1)³ − x²z³ − 9/200 y²z³ = 0. The first term alone is an ellipsoid squeezed to 2/3 along y. The x²z³ term lifts its sides into two lobes 1.237 high around a dimple at z = 1, and draws the lower half in to a
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Description: A heart surface is the zero set of one sextic, (x² + 9/4 y² + z² − 1)³ − x²z³ − 9/200 y²z³ = 0. The first term alone is an ellipsoid squeezed to 2/3 along y. The x²z³ term lifts its sides into two lobes 1.237 high around a dimple at z = 1, and draws the lower half in to a

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A heart surface is the zero set of one sextic, (x² + 9/4 y² + z² − 1)³ − x²z³ − 9/200 y²z³ = 0. The first term alone is an ellipsoid squeezed to 2/3 along y. The x²z³ term lifts its sides into two lobes 1.237 high around a dimple at z = 1, and draws the lower half in to a

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