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What are Orthographic Projections - Lesson Summary

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Lesson Summary What are Orthographic Projections? An orthographic projection is a technical drawing in which different views of an object are projected on different reference planes observing perpendicular to a respective reference plane. Different Reference Planes are: - Horizontal Plane (HP) - Verticle Plane (VP) - Side or Profile Plane (PP) Different Views are: - Front View (FV) - projected on VP - Top View (TV) - projected on HP - Side View (SV) - projected on PP
View Notation - Point A / Line AB

Top View - a / ab
Front View - a' / a'b'
Side View - a' ' / a' ' b' '