nostr:npub1lrjgpa9m2dl6esdah5pq7m005ymwh4glq4aet76q2zlz2f83esfsa2zvrj has a good guide on their website to get started, but looks like it might be down at the moment. I printed a couple space heater boxes and made another one in a metal box that lives in my greenhouse. It's all a lot easier than it might sound https://www.cryptocloaks.com/the-future-of-space-heaters-s9-bitcoin-asic/