Could have 3D printed a pen holder for the 3D printer and then used the 3D printer as a plotter to write the address on a sticker or the envelope itself.
Not a silly or useless idea at all. Ive seen a custom built ORM that parsed a CEL-like syntax into a SQL query using a query builder. It was pretty nifty. The use-case was to allow users to craft arbitrary queries on a data-driven application.
I was on a different timezone on holiday, and I got woken up with some panic/anger calls direct from the CEO that we had been hacked. It took several hours of deep-diving, calling up security, backend, frontend engineers until we realized this behavior was due to the UI library.
The mind boggles, how someone thought this was a good idea.
This sentence really captures the absurdity of this story.