This is the absolute least expensive, yet fully functional GPU mining frame that I was able to come up with. Could you get a fancier one? Yes. Would it cost more? Almost certainly yes as well. Keeping the overall costs of your mining farm activities to the lowest level will help to ensure that you have the greatest return from your mining activities. This design will allow you to drop you normal desk top computer on its back, open up the front cover and run everything from above your desktop.
my key take aways
This is the furring channel that I used. https://www.homedepot.ca/product/bailey-metal-products-drywall-furring-channel-2-75-inch-x-12-ft-galvanized-steel/1000165832