6ORTHOGRAPHIC PROJECTION Viewed in 2 ways:1st Angle Projection3rd Angle Projection.
71st Angle Projection used mainly in USA END VIEWFRONT VIEWISOMETRICPLAN
81st Angle Projection Symbol FRONT VIEWSIDE VIEWSIDE VIEWFRONT VIEW
9Used in UK and in most countries of the world 3rd Angle ProjectionUsed in UK and in most countries of the worldPLANISOMETRICFRONT VIEWEND VIEW
103rd angle Projection Symbol FRONT VIEWSIDE VIEWFRONT VIEWSIDE VIEW
11DIFFERENCE BETWEEN 1ST ANGLE AND 3RD ANGLE 1st Angle Projection 3rd Angle Projection
12MODULE OBJECTIVESBy the end of this module the student will be able to:1.1 Describe orthographic projection1.2 State why engineers use orthographic projection1.3 Compare 1st degree angle and 3rd degree angle
13MODULE OBJECTIVES 1.4By the end of this module the student will be able to:Correctly sketch two-dimensional views from three dimensional drawings.