This is a community for people who have home servers. 100M is fine for a couple people just web browsing, but that’s not the topic of this discussion.

I run 10G between my desktop and my server because I can easily saturate a 1G connection doing a simple file transfer.

Universal Radio Hacker probably isn’t as simple as you are hoping, but it should be moderately easy and very powerful https://github.com/jopohl/urh

I agree with the people suggesting Onshape.

But if you like programming, OpenSCAD can be really interesting.