Did you miss 3DEXPERIENCE World 2021? Of course you didn't! But you might not have watched all the hours of breakout sessions yet. Design for 3D Printing is a great session from @JM that is definitely worth a watch! Particularly good to see 3MF mentioned! 

https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:52/wiki:k8M8SMVeTeONZCn793i4Tw