Geodesic
Projections of the twisted cubic
The Teaching of Mathematics, X (2007) no. 1, p. 51
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One gets every cubic curve with rational parametrization by projecting the curve with general point $(t\mid t^2\mid t^3)$ in different ways onto planes. This result shows the power of elementary methods.
Classification : 00A35 G75
Keywords: Parabola, space curves, twisted cubics, orthographic projection, divergent parabolas, trident curve. 
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Joerg Meyer. Projections of the twisted cubic. The Teaching of Mathematics, X (2007) no. 1, p. 51 . http://geodesic.mathdoc.fr/item/TM2_2007_X_1_a3/