[JasonB]

I've never used 3mf as my professional work has always been modelling for presentation, and of course it wasn't even around when I started.

But with it being specifically aimed at 3d printing, and with the big hitters involved, you would naturally expect it to be fit for that purpose.

However, the title of that video, is kind of contradicted in the very first sentence the narrator says, or at least the first half of it is.