You can run their machines in LAN only mode that never touches the cloud
AevumDecessus
rclone to dropbox and opendrive for things I care about like photo backups and RAW backups, and an encrypted rclone volume to both for things that need to be backed up, but also kept secure, such as scans of my tax returns, mortgage paperwork, etc. I maintain this script for the actual rclone automation via cron
A big important question is do you want your hobby to be 3d printing or 3d printers? If it's 3d printing, save up and pay the premium for one of the more appliance-like ones that just works out of the box like the Bambu X1 Carbon. If it's 3d printers, the skies the limit because you'll probably end up replacing almost every part over time to upgrade/tweak everything
... And now this is a thing you have just taught me.
I have a unique first name, but a common last name so I have the exact same pattern for my professional email address
I absolutely was not ready for this game whr I played through it. It was such an emotional journey when it all came to a close
I played it several large updates ago before there was a more robust tutorial system. I found it quite enjoyable to okay coop with friends, ramps up the engine building, along with a good measure of other player based chaos.
Cloudflare DNS Proxy sounds like exactly what you're looking for, where cloudflare acts as the DNS middleman and responds with their own IPs, while forwarding all traffic for the site(s) to your public IP space
Keep Talking and Nobody Explodes has an entire manual that you should print out and put in a binder, and your manual monkeys will absolutely need pen and paper to help you defuse the bomb in front of you
You might consider looking at Fata Deum which was kickstarted specifically as a spiritual successor to the Black and White games, and the god game genre in general.
The ftp credentials were reverse engineered, not sure about slicer support with regards to the AMS and filament selection