Orthographic Projection

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Presentation transcript:

Orthographic Projection Objectives: A. Define Orthographic Projection B. Breakdown the six views of an orthographic C. Create an orthographic drawing

Definition 1. Ortho = Straight or at right angles 2. Graphic = Written or drawn 3. Pro = Forward 4. Jacere = To throw Literally = “To throw forward at right angles”

Definition (cont.) The method of representing the exact form of an object in two or more views on planes, usually at right angles to each other with lines drawn perpendicular from the object.

6 Views of an Orthographic Front Top Right Side Left Side Bottom Rear

6 Views of an Orthographic (cont.) Three Planes 1. Vertical = Front 2. Horizontal = Top 3. Profile = Right Side Third Angle Projection

Assignment Do Sheet 23