using only a compass and straightedge.

In dimetric projection, the direction of viewing is such that two of the three axes of space appear equally foreshortened, of which the attendant scale and angles of presentation are determined according to the angle of viewing; the scale of the third direction is determined separately.

In trimetric projection, the direction of viewing is such that all of the three axes of space appear unequally foreshortened. The

1.Previous
3.Next