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CAD/CAM Corner
Slideshow: The Evolution of CAD 2.0
6/13/2013

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zSpace tablet and pen. The user wears special glasses to see the 3D image on the tablet's screen. The pen interface is how most of the interaction with the digital objects occurs.   (Source: Infinite z)
zSpace tablet and pen. The user wears special glasses to see the 3D image on the tabletís screen. The pen interface is how most of the interaction with the digital objects occurs.
(Source: Infinite z)

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mrdon
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Gold
Re: Early, early CAD
mrdon   6/16/2013 6:20:44 PM
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Rob,

I agree. Its amazing how Ivan Sutherland was able to conceive such a tool to aid in designing products. I remember when I was introduced to Computer Aided Graphics in college, the CAD station seemed magical. I really dugged the light pen as a drawing tool as well as the control panel which had buttons with pre-programmed shapes like circles, lines, and squares. The CAD 2.0 slides in Cabe's article really show how far the technology has gone and the imagination of its developers.

Debera Harward
User Rank
Silver
CAD Software
Debera Harward   6/17/2013 4:29:49 AM
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Its quite interesting that technologies usually developed in early ages get advanced on and on and finally takes a new shape in future . CAD technology is no doubt example of this . CAD Software came into existance in early 1960 initially it was used in aerospace and automative industry only. Later on it became popular and is used in 2D and 3D printing currently there are different CAD softwaares in the market architecture cad software, home cad software and so on all these softwares helps to create 3D projects .

Cadman-LT
User Rank
Platinum
Great article
Cadman-LT   6/17/2013 5:19:44 AM
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Great article Cabe. I really enjoyed it, I remember most of those beginnings. I had not heard of a few of the new ones though. I've been wanting a leap for some time.

Charles Murray
User Rank
Blogger
Re: Early, early CAD
Charles Murray   6/17/2013 6:40:00 PM
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Thanks for the link, mrdon. I'll have to see if I can find that special on Netflix. I know there was a wartime codebreaking facility in Washington D.C., as well, codenamed CSAW (Communications Supplementary Activity - Washington (link below) that was responsible for tracking enemy subs in WWII.

http://www.businessweek.com/chapter/murray.htm

Tool_maker
User Rank
Platinum
I miss some of the old stuff
Tool_maker   6/18/2013 6:49:26 AM
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  Very interesting article and a small chance to go down memory lane. I do miss much about hand drawing on a board. Some draftsmen were truly artists and could make drawings that had depth and looked like you could reach in and grab it off the paper. I miss the mental gymnastics required in all the trig involved in complicated designs. (I miss that because I was very good at it.) I do not miss the lettering, which in my case was often refered to as "chicken scratching" no matter how much I practiced. I do not miss the erasures of alterations or correcting a design. The callus is gone from my middle finger and the pencil groove is also gone, so I seriously doubt I could draw for eight hours without a sore hand.

  I also miss standing while working and the walking back and forth on a large design on my 7' board. I have tried CAD while standing with very poor results. But what I miss most is being able to bury an error. When I erased a mistake, it was as if it never happend, but today that error might have been reproduced a dozen times in different views etc.

  Do not get me wrong, I do not want to go back, but articles like this allow my mind to wander back to the good old days.

mrdon
User Rank
Gold
Re: Early, early CAD
mrdon   6/18/2013 6:17:17 PM
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Charles,

The CSAW sounds interesting. Thanks for providing the link: I'll definitely check it out!

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