JAL- Raspberry Pi 4B case - 2020 mount, 30mm fan.

I decided to modify my Raspberry Pi case, to fit the new Raspberry Pi 4B

Here are its primary design goals / features:
• Clean fit for a Raspberry Pi 4B, with clearance so it is not too tight.
• Discrete mounting points, spaced for attaching to a 2020 (or similar) rail, and arranged to permit mounting in several different orientations and offsets. More specifically, to mount on the side of my Creality Ender 3 Pro printer.
• Lots of interior air space and ventilation to accommodate heat-sinks.
• Option to add a 30mm cooling fan, if desired.
• Raspberry Pi 4B status lights should be visible when in the case.
• The Micro SD memory card should be accessible when in the case. (Also flush with the main body, so it can be covered by tape or a label, if desired).

Note: This is based on the Raspberry Pi 4B mechanical drawings, and fit tested and verified.

What this design does not currently include, is easy access to the I/O header on the Raspberry Pi. Vent holes could be cut-away if header access is desired.