Clam Shelf

A shelf that can attached to a clamshell laptop or to an electronics rack and into which a 3 by 4 by 3/8 inch (76.2 by 101.6 by 9.525mm)
microcontroller stand (such as the Raspberry Pi Stand) can be inserted.

This shelf features vents inside the edge strips to allow circulation below the circuit board horizontally as well as vertically through the open top and bottom.