The 3D printer company Afinia has released a nice ebook that features a variety of educators and STEM leaders, discussing how they use 3D printing with students. There are even a couple pages on me and my 3D printing book.
You can access the book here:
Follow the link - you'll have to enter your name and email address - the book is full of ideas you might want to try.
Anyone can design anything in 3D! http://www.3dvinci.net/