Chony,

In my case the laptop is held in place by a couple Velco strips and never leaves the platform. You can turn the platform upside down and the laptop stays in place. And, as you can see the platform sits just over an inch above the top of the keyboard, but does not interfere with access to any of the keyboard's buttons. No stiff neck either.



You can find detailed plans for constructing the platform Here

Good Luck,

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!