> I love it as art, but it's usefulness is questionable. If you want a hard copy, just copy it to a microsd. Or three if you are worried about losing it.
Hard copy means paper. Also microsd is a terrible for long term storage.
Flash memory relies on cells keeping charged, but the electrons can slowly leak and discharge the cells over time. It looks like the commonly claimed number is 10 years, but there's no clear answer. Hard drives also aren't great as a "set and forget" method. In either case you should refresh the data regularly (~yearly). Optical media is a great option for digital long-term storage, but paper is a very tried-and-true method, if stored in the right conditions.
Get a tape backup system and be happy. I rotate three tapes between offsite, my safe, and an active one in the tape drive. Don’t overthink “offsite”, your work office is good enough. Or your parents house. Or your neighbor on the other side of the neighborhood.
Or backup once and throw the tape in the back of the closet. At least you can restore the magnetic backup. I would not be happy with the error rate of transcribing data from paper :-)
Hard copy means paper. Also microsd is a terrible for long term storage.