I'm Mark, I have been playing with 3D printing since my family got me an Ender 3 for my birthday a couple of months ago.
I have upgraded and added things to my Ender 3.
I have been using PLA+ and finding things to print on thingiverse. I am starting to learn on how to create my own design using freecad and other programs.
There is a good chance that I will be medically retiring soon and if so, I hope to setup a MakerSpace near where I live to help kids learn about engineering and design.