How engineers cheat gravity

It's called a truss. It's not cheating gravity. Gravity is a law and it will always win if not obeyed.

Its easier to just get the dog out of there

Most people didn't do Statics and Rigid Body Dynamics 🤷

Engineering explained but you’re talking about “cheating gravity”. You font cheat gravity, you understand and obey It’s laws!

Possible ways for mobility free structure

No such thing as gravity.