Focus on a single section or axonometric view that clearly shows three zones: 1. Lower Zone: Show how the steps are narrow and heavy. You can use thick, dark lines and shading to create a sense of claustrophobia. 2. Middle Zone: Display indeterminacy here. The steps may be broken or shown as sketches or transparent outlines over the actual material. 3. Upper Zone: Show clarity. The steps are wide, and light penetrates from above. You can use very thin, clean lines