I am sure you are pretty impressed with the engineering behind the fuel nozzles. SolidWorks helped me a lot to understand the technology behind the gas nozzles. You may access an affordable version of 3DEXPERIENCE SOLIDWORKS for Makers here ( $38USD/year! | 20% Off) - https://solidworks.com/lesicsV3
You may download our SolidWorks gas nozzle file from here - https://www.dropbox.com/scl/fo/yo9hkk...

Cheers Sabin Mathew