Relativity Space’s Terran 1 is the first fully 3D Printed rocket as well as first rocket to be powered on Liquid Natural Gas and Liquid Oxygen.

Today Relativity Space made is second launch attempt however it was scrubbed.

You can see the launch date and where to view it here: https://everydayastronaut.com/good-luck-have-fun-terran-1/

This is a tour of their facilities by Veritasium https://youtu.be/kz165f1g8-E