LINEAR PERSPECTIVE
CONTOUR LINES
SHADING
DENSITY
OVERLAPPING
SIZE
CAST SHADOWS
GROUND PLACEMENT
FORESHORTENING
Darker, more detailed objects will usually appear to be closer.
Drawing altered proportions to make areas appear closer
When objects are similar, those drawn larger will appear closer.
Darkening areas of a drawing to simulate lighting effects and create the illusion of form
Lines wrapping around a form to create a sense of volume and form.
Using vanishing points and lines as guides to create the illusion of depth.
Objects drawn lower from the horizon will appear closer.
Objects drawn to partially cover other objects will appear closer.
Areas of darkness on a surface caused by a form blocking the light.