Here is a guide for setting up MiSTerAddon’s Aluminum case kit. You also have the option to order a fully built kit from MiSTer Addons.
Links
Case product page: https://misteraddons.com/products/aluminum-passively-cooled-case
Fully built Aluminum Armor setups: https://misteraddons.com/collections/kits/products/mister-pre-configured-bundle-with-aluminum-case
MiSTerAddons removing Heatsink video: https://youtu.be/Msn_fTcPz3o
0:00:00 1 - Intro
0:00:39 2 - Things to note
0:01:14 3 - Building the MiSTer FPGA
0:06:36 4 - Final Thoughts