This is pretty rad, maybe someones posted it alread…
<a href=“Cozy Beehive: IsoTruss Open Lattice Structure for Bicycle Frames”><img src=“http://bp2.blogger.com/_urSQl6wUA5g/R5VdtNOHoZI/AAAAAAAAA8A/mInZq6O3alc/s1600/Delta7_Arantix_air.jpg”></a>
Corz
so it’s invisible then? 
no, you just need special eyes
http://cozybeehive.blogspot.com/2008/01/isotruss-open-lattice-structure-for.html
It’s a testicle grater 
did you watch the video? i’ve done all that on any number of steel bmx’s