How to independently produce 3D Movies when 3D-TV's are discontinued?
Some are using VR headsets, some work with anaglyph glasses. With some plug-ins (such as the Dashwood 360 VR Toolbox, as one example), you can use popular headsets like the Oculus Rift. But many will convert the left and right eye to red/cyan and blend them so you can use those silly paper glasses from your childhood. Simple, but effective!