USB load resistor case

Hi, unfortunately I no longer publish designs on Thingiverse.
But feel free to have a look at my profile at Printabled.com: https://www.printables.com/de/social/335893-starwhooper/about

There I will continue to maintain my designs and also publish completely new ones.
I have also published several of my designs there in file format for OpenSCAD. This allows you to adapt them better to your personal needs.

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Case for this load resistor: https://nl.aliexpress.com/item/4000026696876.html
AliExpress calls it: "15W DC 3V-21V Electronic Test Load Resistor USB Interface Battery Discharge Capacity Tester with Adjustable Fan Current Module"

Howto to get the board in the case:
1. Remove the screws holding the fan on the heatsink.
2. Remove the fan from the heatsink. The cable can remain connected.
3. Slide the board into the case from the back
4. Place the fan on the heatsink.
5. Rotate the fans 90° counterclockwise.
6. Take two screws that are about 3mm longer than the or