...but did nothing with.
Behold, the inflatable-frame tent!
My concept was somewhat different, involving a high-pressure pneumatic skeleton more or less embedded in the lightweight tent fabric - so, it'd look like a nice clean dome, without the clunky external structure. Inspired, as I recall, by a combination of pondering current backpacking gear and re-reading a sci-fi novel (Imperial Earth?) that had a bit on futuristic backpacking tech.