I prefer no case .. the nvme base is attached at the bottom and has gummi nobs to stand on.
https://blossom.primal.net/08bbbf928387fc63002e890e610e3283b9571c84fd2cc97848b1bfd03762df3c.jpg
Thanks @/rootzoll for the advice. Is there any advantage in upgrading to a 16 GB Raspberry pi 5 and a NVMe Crucial P3 plus SSD 4 TB drive m.2 PCIe Gen 4?