To be fair, a fan takes away from potential heatsink space and eliminates contact from heatsink to shell. A fan based cooling system can actually be worse than

To be fair, a fan takes away from potential heatsink space and eliminates contact from heatsink to shell. A fan based cooling system can actually be worse than a fanless setup... especially if they're the Macbooks with constrained intakes. (virtually all of them) https://forums.macrumors.com/threads/macbook-pro-17-my-cooling-mod.1861535/ https://forums.macrumors.com/threads/macbook-pro-17-my-cooli... https://hackaday.com/2017/12/14/cncd-macbook-breathes-easy/ https://hackaday.com/2017/12/14/cncd-macbook-breathes-easy/ https://www.ifixit.com/News/6882/why-i-drilled-holes-in-my-macbook-pro-and-put-it-in-the-oven https://www.ifixit.com/News/6882/why-i-drilled-holes-in-my-m...