In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you might think, I'm not a Jedi Master at python ... then how about a 3d surface plot?

For the plotter enthusiast that can be particularly annoying. Never fear, [Trammell Hudson] is here with an online 3D to 2D converter just for plotters. [Trammell’s] creation makes a vector ...