My group uses Nextcloud, and with plugins it has decent support for 3dp files.

Another option I’ve been looking at is https://manyfold.app/

Yes.

I’ll say that it can lead to uneven extrusion and even skipped steps on your extruder. How much, and how much that amount matters is entirely dependant on the setup and your workflow.

There are a few 3D printed solutions to keep filament tension neutral using a buffer system. It’s not a bad idea to check out some of them.

Need to remember the bastards to remember to piss on their graves.

Much as I understand your sentiment, I think it’s important to remember the people who did horrible things like McCarthy, and use him as a warning to our younger generations who didn’t see the problems they created.

You know, and the grave pissing.