CAD TECHNOLOGY
COMPUTER AIDED DESIGN
BASIC CAD TERMINOLOGY
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CAD FACTS 1
• You define a field by specifying its name, type, and width or precision.
• Graphic properties include layer, color, width, style, and pattern.
• A draw program creates an image by defining objects mathematically.
• Underlying each drawing is a database.• Auto-sketch keeps track of the scale of your drawing,
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CAD FACTS 2
• Auto-Sketch expresses location in three ways: xy (Cartesian), polar, and isometric coordinates.
• Isometric drawings are usually used to create two-dimensional views of a three-dimensional object.
• The grid origin is similar to the drawing origin in function and appearance.
• Drawing scale is the ratio between the actual size of the entities in a drawing and their size on printed output.
• Layers help you place entities together in logical groups.
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SAMPLE APPLICATIONS and USES of CAD
Machines
Housing
Automotive Interior DesignWeapons Systems
CAD CAREERS
• Architect• Designer• Surveyor• CAD Designer• Drafts-Person• Computer Graphic Artist• Architectural Design Engineer
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FUTURE OUTLOOK for CAD
• Design is expected to grow more slowly than the average.
• CAD has increased the complexity of drafting applications.
• CAD is enhancing the productivity of drafters.
• Workers will need a strong background in fundamental drafting principles.
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MY BEST or FAVORITE CAD DESIGN
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