i've even figured out how to create a component that didn't exist in their library - a lot of the manufacturers/related appear to provide the symbol, footprint and 3d files to recreate it on flux. this is one for example - https://www.flux.ai/centplaids0u/oki-78sr-51p5-w36-c-1480 - a 12v to 5v voltage regulator. got files from here: https://www.snapeda.com/parts/OKI-78SR-5/1.5-W36-C/Murata%20.... Got it built into the board and it works! holy heck.

hope it works for you!