I got weirdly invested in this, and by the end I was kinda happy that it was “just” a bug in the tooling and not anything actually malicious.

As always with plastic recycling. The whole concept of plastic recycling is only a “don’t think about it, just buy it”.

Same as shock, so don’t hammer them in either.

I wish my printer was consistent enough between two prints for proving that two parts came from the same printer.