These are 3D printed cooling shrouds for the AMD Instinct MI25, MI50, and MI60 Accelerator cards. I've only tested these on the Instinct MI25, Specs show that it will also fit the MI50, I am unsure if it will fit the MI60.
AMD Radeon Instinct MI25 16GB HBM2 PCIe Graphics Card P/N: 71215V1000G Tested
AMD Radeon Instinct MI25 16GB GPU Accelerator 102D0515200
AMD 102D0513300 INSTINCT MI25 16GB HBM2 PCIE 3.0 GPU
102D0513300 AMD INSTINCT MI25 16G GPU (HBM2 PCIE 3.0)
*** AMD Radeon Instinct MI100 32GB HBM2 PCIe 4.0 Professional Graphics Card ***
Lot of 2 AMD Radeon AMD Radeon HD 6450 1GB Video Card DVI+DP SFF
