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Re: Is CAD essential to all teams?
CAD is a great tool provided the people using it understand that just because something may be designed in CAD doesn't mean it may be manufactured.
My example for students is always: You can draw a solid steel sphere with a hollow core, but how are you going to make it with no seams? As far as I know, you can't.
The other example is that a student drew a wheel knowing we had access to a CNC machine. What the student didn't know/understand was that it was a 3-axis machine and couldn't do the angled portion of the wheel that he was expecting to be done.
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