Shelf and adjustable back panel to fit most monitors.
I've even been able to fit it on an LCD TV... you would want to make the shelf longer to get a better fit though.
The fit is very tight and you will want to slide it on and off several times. I used a rubber mallet to get it off about 4 times before I could do it by hand.
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I had the wrong stl file in here... the correct one is in now.
PC_shelve.stl | 4.8KB |