Bike chain
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 I mentioned in one of my other posts about making a chain, not sure anyone else has done it, but i figured i'd post the one i did on here and let you guys play with it some. Let me know what you think Mike 
 
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 That's pretty cool, but bicycle chains are built differently. Here's one I found in the 3d warehouse. http://sketchup.google.com/3dwarehouse/details?mid=20c84a1ee82b6bdfe1f94972f50a99b1&prevstart=0 This one's better, http://sketchup.google.com/3dwarehouse/details?mid=c25e3f5c23dc4b2dfd2ea1959542a7&prevstart=0 This is even better, but wouldn't work on a derailleure bike. The pins protrude too far. http://sketchup.google.com/3dwarehouse/details?mid=2e7366029befc5537e44e3c724db889f&prevstart=24 There's still room for improvement on these though. Chains for derailleur geared bicycles are very sophisticated. 
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 This got me thinking. Here's a great graphikc of a high end chain. 
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 lol, now that you mention it, i dont know what i was thinking when i first built this... 
 It took me a while to recognize where i got this shape from, and then it clicked that is was based off the chain links that LEGOs use....
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