hi guys, I'm new around here but i wanted to show the rig I've built and I'm open to any suggestion to make em better.

they are built in aluminum and allow Full customization.
Can be build to accommodate from 1 to 28 cards with 15cm between cards
Fan grids are optional just in case u will use them.
total cost of the rig is 16 USD

https://imgur.com/a/t1xeg

Thanks, hopes its ok.