This is a remix of Hasenpups raspberry pi 4 design that adds an extra raspberry pi case as well as a 60mm fan for cooling.
This was designed to have a 60mm fan mount on to the back end of the raspberry pi's to provide cooling. The upper most case is modified to allow a 3.5 Inch Screen.
The screws that are used for the main case are M3 x 12 screws.
While the fan mounting screws are M4.
STEP file is include to allow modifications.
The author remixed this model.