Three-dimensional drawings made with mirrored glass, light and shadow evoke states of disorientation, hallucination and a peculiar wonder. These wall-mounted drawings cast a reflection upward and a shadow downward; the actual drawing surfaces are not immediately visible. 

Visual and auditory hallucinations that occur during the period between sleeping and waking are known as the "hypnagogic state"; those that occur in the state between waking and sleeping are the "hypnopompic state".