I found this model to hang hot wheels tracks. You could use that or take the dimensions from it (use something like the measure tool in prusaslicer).

My university used Artemis to do basically what you’re describing. Files are uploaded via git. But it seems like selfhosting would be a lot of work.

He proposes the cloud be owned by communities, so in a way by everyone. That’s not the same everything being owned by private companies.

This seems to be an engineering sample CPU. Since these are pre-production, that could mean it’s basically a fully functional CPU. It could also have serious issues.