Week 1 - CAD - CAD Computer Aided Design Computer Aided...

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C A D C A D Computer Aided Design Computer Aided Design
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Four different types of CAD Four different types of CAD 2D Wire Frame Surface Solid
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Visual characteristics of traditional drawings •M o r e a c c u r a t e • More measurable • Easier revisions •F a s t e r •N e a t e r Visual characteristics of traditional drawings •M o r e a c c u r a t e • More measurable • Easier revisions •F a s t e r •N e a t e r 2D 2D
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Example Example
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All data included to manufacture object All data included to manufacture object
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Complete 3-D data not needed (terrain) Complete 3-D data not needed (terrain)
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Difficult to visualize in 3 dimensional space Difficult to visualize in 3 dimensional space
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Difficult to modify design Difficult to modify design
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Return Example Example
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Wire Frame Wire Frame • Minimum hardware and software requirements •F a s t • Improved analysis (distances) • Increased visual effectiveness • Minimum hardware and software requirements •F a s t • Improved analysis (distances) • Increased visual effectiveness
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Necker cube Necker cube Necker cube Only edges and contours represented •n o surface/volume information • ambiguous •n o s u r f a c e representation Only edges and contours represented •n o surface/volume information • ambiguous •n o s u r f a c e representation
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Return Examples
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Surface Surface Rendering (realistic image) Smoothly contoured features No volume information Program does not know interior vs.
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Week 1 - CAD - CAD Computer Aided Design Computer Aided...

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