Earlier quoted context omitted.
Hi there. I’m a metal fabricator by trade and work closely with engineers and steel detailers. You ask for a non-professional solution to four professional grade problems. So I doubt your gong to get a satisfactory answer.
Well, one doesn't need to be professional to the extend where one can argue Tekla Structures to be worth the cost, if the goal is to design structures for hobby/DIY work. Depending on the purpose, structural failure might be sufficiently low-risk to not need more than a cursory glance by an engineer to check whether the concept is sufficiently-sane and the stresses the software calculated are no reason to worry. Peop…
Not real sure what to do there?
I'd maybe consider doing a course at my local Tafe ( https://en.wikipedia.org/wiki/Technical_and_further_educatio... ) and do a design course and get friendly with the people who work there and run the workshop part of the campus so they might let you continue to use the facilities are you've finished.
Not sure if you have anything like that around your parts.