L08_1 - Type of Oblique Oblique Projection Angle ( )...

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    Oblique Projections GE 101 Engineering Graphics and  Design
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    Oblique Sketches Show exact size and shape of one face of an  object Object face with most detail parallel to view  plane Relatively easy to draw
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    Oblique Sketching Process 1 Single extruded feature Cut block; Cabinet oblique
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    Oblique Sketching Process 2 Curved features parallel to projection  plane; Cavalier oblique
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    Oblique Projection Geometry 1 One face of object  parallel to projection  plane Parallel sight lines  make an oblique  angle with projection  plane object image
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    Oblique Projection Geometry 2
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    Oblique Projection Angle ( α ) Angle of intersection  of sight line with  projection plane Determines type of  oblique projection  (Cavalier, Cabinet,  General)
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    Classes of Oblique Projections
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Unformatted text preview: Type of Oblique Oblique Projection Angle ( ) Receding Axis Scale Cavalier 45 1 Cabinet 63.43 1/2 General 45 < angle < 63.43 < scale < 1 Cabinet vs Cavalier Receding axis Oblique Projection Angle (2D) Determines receding axis scale Receding Axis Angle 1 Normally chosen to be 30 , 45 , or 60 Determines relative emphasis of receding planes Related to angle of rotation of projector about the projection plane normal ( ) Receding Axis Angle 2 oblique projector normal Related to , angle of rotation of projector about the projection plane normal Oblique Projections Cest tout!...
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This note was uploaded on 03/02/2009 for the course GE 101 taught by Professor Leake during the Fall '05 term at University of Illinois at Urbana–Champaign.

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L08_1 - Type of Oblique Oblique Projection Angle ( )...

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