well, my collaborator WELCOTAR did a nice writeup of how we built this thing. you can read it here:
http://www.moomers.org/~jered/pipe-dream/
we also have a time lapse video of us putting it up during early man:
http://www.moomers.org/~jered/pipe-drea ... bm2011.ogv
pipe dream might be back on the playa again this year, assuming we can somehow find enough tickets at some point. look for us in the 4:30 sector. i promise, you've never climbed anything more awesome!