Define oblique projection.

List and describe the differences between the three types of oblique drawing.

Define axonometric.

Define isometric, dimetric, and trimetric drawings.

Sketch the axes used for an isometric drawing.

Sketch the axes used for regular, reversed, and long axis isometric drawings.

What is the general rule for hidden lines in isometric drawings?

Give examples of pictorial drawings used in industry.

Sketch an isometric cube, then show how isometric ellipses would be drawn on each face of the cube. Add center lines to the ellipses.

What are the three angular measurements of isometric drawing axes?

Describe perspective projection theory. Use sketches if necessary.

Identify the horizon line, station point, picture plane, vanishing point, and ground line in Figure 7.59.

Sketch and label bird's eye, human's eye, ground's eye, and worm's eye views. Identify important parts of a perspective drawing.

List the four perspective variables that should be considered before drawing a perspective view.

Name the person who is generally given credit for systemitizing isometric drawings.