I bought a motorised lifting desk mechanism yesterday, via Ebay. It has a 200 pound lift capacity, and 20" of lift.
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Seems to me, it could be the basis of a three monitor desk lift. A cheap 4" angle grinder could shorten the desk top brackets, and then the desk
top opening would be bolted to the to these brackets. A vertical panel could be hung from the top, and the three monitors could be attached to this panel.
Essentially a wide version of this:
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The desk lift mechanism would be boxed in for a more refined finish and to hide and protect the monitors when recessed. The desk could be built shallower
then a standard desk, and extended to the wall, for additional desk top. Beneath the extended area of desk top, you could use Middle Atlantic rack rails, to
build the av rack (and you could put your computer into a rack mountable case also). The av gear could face the front of the room, and the computer face
the rear of the room if so desired. A 20"-24" deep rack and desktop would work.
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You could build the desk taller, and have a single height riser to the aisle. The shallower desk top could also buy some depth to deepen the riser. Two
plush rolling chairs then could fit on the riser, and act as a second row of seating. Gas lift adjustable height chairs.
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