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Unread 13-07-2010, 18:13
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Karthik Karthik is offline
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Re: pic: IRI winner's trophy

Quote:
Originally Posted by Andy Baker View Post
After ignoring much of the silliness of what was posted above, we just took a picture of the ball without the blue glass pieces.

The inside structure is made from 2 polycarbonate hemispheres, each 1/16" thick.

Andy B.

(edit... on second thought, I could post something similar to Karthik's convoluted solution and said that we used some 7-axis CNC welding process to do this. But, I didn't. )
Sorry for injecting some interesting math (well, at least interesting to me) in to the discussion. In the future I'll restrict my posts to drivel like "OMG. That's sooooo cool!"

Anyways, here's a picture I found on the web that illustrates what I was talking about with the dual. (Found on a combinatorial geometry course website at Merrimack College)



Clearly too complicated to fabricate, but still pretty cool. (Or just general ignorable silliness. )
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:: Karthik Kanagasabapathy ::
"Enthusiasm is one of the most powerful engines of success. When you do a thing, do it with all your might. Put your whole soul into it. Stamp it with your own personality. Be active, be energetic, be enthusiastic and faithful and you will accomplish your object. Nothing great was ever achieved without enthusiasm" -- R.W. Emerson
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Full disclosure: I work for IFI and VEX Robotics, and am the Chairman of the VEX Robotics and VEX IQ Game Design Committees
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Last edited by Karthik : 13-07-2010 at 18:22. Reason: Added the source of the image
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