Making Shock Diamonds with a 3D Printed Rocket Nozzle

The 3D Printed Rocket I made to produce Shock Diamonds! It took a lot of time and effort, including one design that just flat out failed, but even though the results may look small, I'm incredibly excited about it! What are Shock Diamonds?: https://en.wikipedia.org/wiki/Shock_d... My Rocket Injector Video:    • 3D Printed Rocket Injector   Everyday Astronaut's Aerospike Video:    • Are Aerospikes Better Than Bell Nozzles?