Transcription: How does an artist take a three-dimensional object and draw it on a flat canvas? The most important technique he has to know is the technique of converging lines. One side of the Parthenon is facing us. We know these lines are really parallel to each other, but they appear to slant at an angle. If we follow the lines out far enough, they meet at one point, called the vanishing point. That's called one-point perspective. Now, one edge the edge of the Parthenon is facing us and two sides are at an angle. If you extend these lines out, they converge into two points on either side of the building. ...
(.mp4)