Evan H. answered 08/24/16
Tutor
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Software Engineer specializing in Software Architecture and SRE
There is no reason it wouldn't be possible but practicality may be an issue. Because you are now working against gravity, extra power will be required in order to close the shutter and either power must be continuously applied to keep it closed, or some sort of latching mechanism at the top or bottom must hold it in place.
Abdul R.
08/24/16