3D printing for over 10 years. Kickstarter backer for original Snapmaker printer, I have a Prussa, Snapmaker A250, Bambu X1C, and Bambu A1 Mini printers. I custom design business promotions and toys for kids. I also sell 3D printed items on Amazon. B.S. & PhD in Medical Engineering, M.F.A in ceramics. I have 2 patents, 2 books, and numerous magazine articles.