They assume that Apple is, in fact, building a device that users will wrap around their wrists.

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Embedding the structural support in the core made it possible to cantilever the roof and thus wrap a glass facade around the building, using vast expanses of insulated, triple-pane glass and mahogany mullions.

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You could also make these out of left over house-wrap material from Tyvek by asking for scraps from a contractor that is building a home near you.

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