| http://www.w3.org/ns/prov#value | - My original envisioning for this idea was a plastic sheet of the air-flow cells, with that sheet being fitted into a window frame.However, I think it would be possible to have fabric version, made of black-out material.This could roll up and down like a normal blind (with the cells folding in on themselves).Alternatively, the cells could compress on one axis like a venetian blind.
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