Originally published at: https://boingboing.net/2018/08/28/this-door-folds-open-like-orig.html
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Seems like a great way to sustain a crush injury to an extremity.
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If you have a door like that you don’t open it yourself; your sinister underground lair/cutting edge spaceship’s master computer opens it for you as you approach.
With a suitably swish pneumatic and/or hydraulic sound.
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Very cool design and potentially quite secure. You could use continuous angle brackets at the top and bottom of the frame to secure the ends against attack and use a lock that folded over the ‘handle’ to secure the opening. The multiple hinges would be a security issue unless you used piano style continuous hinges.
It sure won’t meet Fire Code, though!
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But what about my guests’ safety?!
The master computer has a copy of the guest list. The invited have nothing to fear; and for any others, that’s why you provided the master computer with a complement of contaminant purge drones.
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I think you actually have to say “swish” to get it to open.
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It could really confuse emergency first responders?
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is certainly better than the damned barn door craze
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I need a door like this for my geodesic dome.
Every time I see this door it reminds me of the movie Demon Seed.
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You could open the door in a snow drift without having to clear out the snow first.
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One advantage is that the door needs less clearance, which would be useful if you wanted a door from a narrow alley.
If w is the width of the door, then it looks like the door swings out w*root(2)/2 distance, minus a little since the handle goes flat. So if the door is a meter wide, you only need around 0.7 meter clearance.
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Not sure clearance is the main reason. Convential double opening doors need only 0.5m clearance, and an old-fashioned sliding door needs 0m…
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It’s still a pinching, crushing hazard just like the last dozen times it made the rounds.
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