In this series we’re learning how to draw 3D objects onto 2D surfaces, a process known as graphical projection. If you have no idea what I’m talking about, you should read Part 1: Introduction.
Here’s the big picture:

Today we’ll look at the bottom-left corner, top and side view, which form multiview orthographic projections.
Multiview
The name multiview comes from technical drawing, where we’re describing an object from multiple viewpoints, usually for design or construction/manufacturing purposes.