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A hollow cylinder
A horizontal cylinder The body shadow boundary of a combined form Tonal study
29 other sections not shown
adhesive film angle of view architect architectural auxiliary axonometric projection base bird's-eye perspective block body shadow boundary building cast shadow circle in space circumscribed square coloured pencil cone converge cube cubic grid Delft diameter distance drawn elevation ellipse example eye-level perspective felt-pen fineliner foreshortened freehand drawing grey ground plane height horizon line illustrated image width intersection points isometric projection lateral face layer light rays ln addition ln order major axis material metres object oblique projection obtained paper perpendicular perspective centre perspective construction perspective drawing perspective projection perspective space representation Perspex photograph picture plane plan view plane ABCD polystyrene possible presentation drawings produce realistic receding lines rectangle reflecting plane right angles scale screens shadow cast shadow projected single-point perspective grid sketch models surface tangent techniques three-dimensional grid transparent two-point perspective vanishing point vertical edge vertical plane viewpoint visual visual angle watercolour paint