Years ago I would read designboom.com every week, studying their competitions until I finally found one that pushed my buttons.  The challenge was a bathroom for the future - or a bathroom appliance, I cant quite remember - and I was in the thoes of designing the inwall shower-to-toilet recycling unit, titled reWASH and using a ferris wheel-like structure with internal "cars" filled with zeolite to filter the water to flushable standard.  reWASH would eventually morph into my Rainwater H2OG tank - but I digress.
Completely keyed up with my brilliant inwall filtration device I designed a modular "plug-in" bathroom that took shower and sink water to a toilet "wall" for processing and use as the toilet flush, and I expressed this process in a flowing visual made from a resin product like Corian.  Come to think of it, I think the challenge was to design a bathroom appliance using Corian.....
Anyhoo - because I cant draw on computer I even paid an industrial designer friend to draw my concept up in 3D.  I was SO SURE that I would win.  Here it is:
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Water flows from basin, across shower floor and into back of toilet wall where it is filtered and pumped up for gravity flush. Mains water runs through the grey section - shower head is part of the ceiling. Hell - theres even a nook under for towel storage!
So - I didnt win.  I didnt even get a mention.  Devastated and broker than before, I logged off and stopped visiting.

But now - there is THIS!  Thank you Inhabitat for opening my eyes to a seriously terrific and useful design brought into being by a designboom competition.  Israeli designer Yael Livneh designed the TwoGO back in 2010 for a Seoul Bike competition on Designboom and hey - Yael didnt win either!  Crazy.  Check it out.

HOLD THE BOAT!!  I have just found the original bathroom competition!!  IT was 2004 - and here is the winner Tom Jonkers from Belgium with his all-inclusive floating egg...
 
 
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This is one of the coolest 3-wheeler designs I have seen so far.  Designed by Heikki Juvonen to sit between a bike and a car to augment family transportation options the driver sits inside the thrd wheel.  The possibilities for that innovation in packaging are huge.  Read more about the car, the designer and the competition here.