Quick Lamp Base Modeling Demo

Autor:Tim Brzezinski

In this screencast, notice how the base is a frustum of an elliptical cone. That is, for this surface, cross sections of planes parallel to the floor and this surface are ellipses.

Quick Silent Demo

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Prism Drawn in 1-Point Perspective
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Circle Passing Through 3 Points
Reflection Across 2 Parallel Lines
Locus Related to Descartes' Folium

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Conjecture & Proof - Eyeball to Eyeball
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Escherized Double Rotations
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Distribución geométrica
Semejanza
Números Racionales
Puntos Notables
Triángulos