Orthographic Projections
An Orthographic Projection is a 2 dimensional representation of a 3 dimensional object.
six perpendicular views Any object can be viewed from six perpendicular views
The Glass Box •How many sides does a glass box have? •Envision the object in a Glass box . •How many sides does a glass box have? •Imagine that you trace the the object on each side of the glass box. •You would end up with 6 drawings of different views of the object. •You can observe 6 Standard Views of the object through the sides of the imaginary glass box.
The sides of the box show the Glass Box Method The sides of the box show the 6 planes
6 Principle Views
Orthographic Projection of a House ...Also called Plans and Elevations
Assignment •Create orthographic projections for this object. •The height of each step is equal to 3 grid squares. •The depth of each step is 6 grid squares