The “A.I.R” = Affordable Inflatable Reflector
There are already a lot of DIY reflector designs out there, which are built of PVC tubes and are definitely great: cheap, easy to build, effective and often collapsible. But there is a drawback: the length of the tubes limits the minimal size of the disassembled reflector.
Tobi Troendle created the A.I.R reflector. Aside from having a cool name it also folds to nothing.