Create your own 3D videos with 2 Gopros and the GoPro Studio software that comes with it. Learn how to make it in Free 3D, aka (x) cross viewing to last the ages because no viewer is needed.
Learn the methods to see Free 3D at out website
Or you can print a 3D training viewer that I created and have available at https://www.thingiverse.com/thing:2341932
Combine the two and you have a 3D video production business.
Learn more at http://www.headscapes.com/
I didn't print with supports but you mind find it useful