Orthographic Projections

An Orthographic Projection is a 2 dimensional representation of a 3 dimensional object.

6 Perpendicular Views

Any object can be

viewed from six

perpendicular views

The Glass Box•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.

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