CAD, or computer-aided design, originated in the 1940s and was used primarily by engineering firms for precision drawings. By the 1960s, CAD was being adopted by the aircraft and automotive industries. Today, CAD software is widely used across many industries and has become more accessible due to decreased costs. CAD allows users to create accurate 2D and 3D drawings using specialized functions for geometric shapes, text, and other elements. CAD programs are classified as low-end, mid-range, or advanced based on their capabilities and typical users. Popular CAD brands include SolidWorks, AutoCAD, TurboCAD, and MicroStation.

1. CAD/CADD
By:
Baijnath Pan

2. We’ll Discuss:
What’s CAD???
History Of CAD
CAD Drawing-
How It Works
The CAD Industry
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3. Computer-aided Design (CAD) Or
Computer-aided Design And Drafting
CAD???
(CADD)
History Uses Computer-technology To Make
Quick And Accurate Drawings, Intricate
Designs And Design-documentations
CAD Drawings
Even 3D drawing possible!!!!!!
CAD Industry
So, Basically A Computer Package for
drawings
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8. So who uses it?
Civil-Engineers Gaming industry
Architects Web-designers
Animation industry Fashion Designers
Automobile industry Machine-
Manufacturers
Aircraft Industry
And of-course…… we
students
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9. 1940s: Came into existence, by dr.
Robert Issac newton
CAD???
1960s: Found use in the aircraft and
automotive industries
History
Also used by 3D surface construction
and NC programming, the first
CAD Drawings commercial users of CAD
1971: Founding of MCS (Manufacturing
CAD Industry And Consulting Services Inc.) by dr. P. J.
Hanratty, one of the most influential
events
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10. A few years ago, CAD quite an
CAD??? exclusive computer-program
Was meant only for engineering
History
applications that needed high degree
of precision
CAD Drawings
Only the rich-firms could afford it
CAD Industry And today………
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11. How do we draw in day to day life????
CAD???
Little different here…….and how???
History Need to access a particular function
from the Draw menu
CAD Drawings
Separate functions to draw text,
dimensions, patterns, symbols, and
CAD Industry
other elements of a drawing
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12. Need to be specific about the no. Of
CAD??? lines, arcs or any other shapes…..
Must specify where each line and arc
History
starts, where it ends, the center point of
the arc, the radius, etc.
CAD Drawings
Separate functions to draw text,
dimensions, patterns, symbols, and other
CAD Industry shapes
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13. Based on program level, divided into:
CAD??? Low-end programs:
Have just the basic drawing capabilities
Commonly used for general drawing works
History
Mid-range programs:
Almost 80% of all the cad programs fall here
CAD Drawings
Offer advanced drafting techniques such as layers,
3D, basic database capabilities, advanced
dimensioning and many automated drawing
CAD Industry
features
Commonly used by architecture and engineering
design firms
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14. Advanced Programs:
Have integrated features such as
CAD??? engineering, solid modeling, analysis,
design, database and project management
History Can be customized to meet the specific
client requirements
CAD Drawings Few such programs available
Priced very high
CAD Industry
Commonly used by large corporations for
manufacturing
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15. Some of the most popular brand-
names:
•Solid Works
•AutoCAD
•Turbo CAD and
•Micro Station
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16. References:
Websites
1. http://www.cadazz.com/cad-software-history.htm
2. http://www.caddprimer.com/cadd_primer_chapters/drawing_des
ign_automation_introduction_0.htm
EBESCO Reference:
1. Asiabanpour Bahram, Et Al An Overview On Five Approaches
For Translating Cad Data Into Manufacturing Information,
Journal Of Advanced Manufacturing Systems Vol. 8, No. 1
(2009) 89–114
2. Szewczyk Jaroslaw, Difficulties With The Novices’
Comprehension Of The Computer-Aided
3. Design (Cad) Interface: Understanding Visual Representations
Of Cad Tools J. Eng. Design, Vol. 14, No. 2, June 2003, 169–
185
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