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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Hyperbolic Paraboloid
bewijs stelling van Pythagoras
Viviani's Curve
Random Polar Curve (3)
Some random function

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Surfer and Spotter problem
Möbius transformation
example
Equations of tangents to a curve with given slope
Parallel Lines by Angle Copy
Cats and Dog

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