as an aside the 3D-printed rocket sorta worked. I lifted off and made it through the second stage separation, but that stage failed to fire. So it did not make it to orbit as planned. However, it did prove the concept worked.
“No persons are more frequently wrong, than those who will not admit they are wrong.” -- François de La Rochefoucauld
"Those who cannot accept the past are condemned to revise it." -- Geo. Mathias
The German word for contraceptive is “Schwangerschaftsverhütungsmittel”. By the time you finished saying that, it’s too late