Plan (drawing)

Plans are a set of two-dimensional diagrams or drawings used to describe a place or object, or to communicate building or fabrication instructions. Usually plans are drawn or printed on paper, but they can take the form of a digital file.

Views and Projections
Because plans represent three-dimensional objects on a two-dimensional plane, the use of views or Graphical projections is crucial the reading of plans.

There are several projection types:
 Orthographic projection, including:
 Plan view or floor plan view
 Elevation, usually a 'head-on' view of an exterior
 Section, a cutaway view of the interior
 Axonometric projection, including:
 Isometric projection
 Dimetric projection
 Trimetric projection
 Oblique projection, and
 Perspective projection

Related pages
 Floor plan

Category:Engineering