Print-it-Yourself 3D Rig for Your GoPRO cameras
Alx+NZ is the pseudo of a Thingiverse user that created a stereoscopic 3D rig for your pair of GoPRO 3, 3+, or 4. His simple design was medeled in Blender and is free to download on the Thingivers web site.
Download the 3D file
Just visit Thingiverse and click on "Download This Thing".
Note that to perfectly synchronize your GoPRO cameras, you need a special cable such as the Advance SuperHero 3D System Cable.
More GoPRO3D Rigs
You wil find more GoPRO 3D rigs and sync cables at3DGuy.tv, the web site managed by Al Caudullo.