othrographic views

othrographic views - ENGR 111 Class 31 Orthographic...

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    ENGR 111  Class 3-1 Orthographic Projection
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    Learning Objectives Name the three principle projection  planes and what dimensions each  shows Sketch Top, Front, and Right Side  views of simple objects Know the correct pattern and line  weight for visible, center, and hidden  lines
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    Orthographic Projection Orthographic projection is the system of  drawing views of an object by projecting them  perpendicularly onto projection planes with  parallel projectors. Orthographic drawings represent three  dimensional objects in separate views  arranged in a standard manner. They are called working or detailed drawings  if they contain sufficient dimensions, notes,  and specifications to enable a product to be  manufactured from the drawings.
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    Albrecht Dürer (1471-1528) German artist known for engravings. Authored, “The Four Books on Human  Proportions” which used orthogonal 
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This note was uploaded on 04/27/2009 for the course ENGR 111 taught by Professor Walker during the Spring '07 term at Texas A&M.

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othrographic views - ENGR 111 Class 31 Orthographic...

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