Baby monitor perch

Baby monitors are useful gadgets but if they don't have a way to clip onto the side of a crib, it's always a problem to figure out where to put them. This simple perch sits on the edge of a crib (may need adjustment or a parameterized version if the crib rails are wider than 23mm) and can accommodate the camera of a baby monitor as shown here.

It could as easily be used for a webcam