DIY Hallowe'en: Tetrominos (Tetris pieces)

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From the Boing Boing DIY costume thread, an anonymous BB reader says,

"We went as Tetrominos (Tetris pieces). The best part was trying on boxes in Staples and being given very strange looks by the other customers. The worst part was the complete lack of peripheral awareness and frequent bashing-into-things."

Photos are here.