Studies in Linear Perspective: 

Recycled drawing paper (2 sheets) - assortment of pencils, erasers and ruler. 

Introduction to One-Point Perspective

Preliminary Study (graphite)

Value Scale (graphite)

Assign values to perspective study to enhance illusion of space. Direct lighting effect. 

Recycled drawing paper (2 sheets) - assortment of pencils, compressed charcoal, erasers and ruler. 

Introduction to two-point perspective

Drawing boxes - One-Point Perspective (charcoal)

Preliminary Study (graphite)

Value Scale (graphite - cross-hatch)

Assign values to perspective study to enhance spatial illusion. Direct lighting effect. 

Drawing from Boxes

Drawing box arrangment - Two-Point Perspective (charcoal)

Use reference points to fit the arrangement to the page. Consider the outlines of the negative shapes as well as the edges of the boxes; this will help achieve correct proportions. 

Box Arrangment - Use what you know about perspective to draw boxes (charcoal or graphite - technique of choice)