This is a case I made for the Radxa Rock 4 SE using TinkerCad. It's easy to print without supports or rafts with PLA or PETG.
Version 2 places a 40mm fan inside the case with ample space for the heatsinks. The nvme ssd version is shaped like a long brick to fit the 2280 form factor.
The author marked this model as their own original creation. Imported from Thingiverse.