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https://desalvoinc.com/products/maker-block-case-for-raspberry-pi-4 https://desalvoinc.com/products/maker-block-case-for-raspber... https://desalvoinc.com/products/housing-for-raspberry-pi-model-4b https://desalvoinc.com/products/housing-for-raspberry-pi-mod... They offer one with a flatish top and one with hexes. I bought the flat because I think it looks better. I there is much difference in cooling because in either case you will have a lot more cooling surface than the processor without a heatsink.