Here's another shader conversion to 3D for anyone interested:
https://bit.ly/4bOyD3RPlease let me know how you get on with it. .. do you find it straining ?
I used a different technique for this one, making the stereo effect in the original shader rather than having two copies running side by side. The pre-conversion to iStripper format can be seen on shadertoy here:
https://www.shadertoy.com/view/MffcRf@mkst The cross-eyed feeling is what tricks your brain that some objects are closer than others. This can be adjusted in the parameters of the scene to make things further away... less cross-eyed... and more relaxed if it's uncomfortable.