Convert A Blue and Red into a Gif movie
Some 3D images make suitable gif movies which alternate between
the left and right images.
This aspect is a free feature of the Red and Blue conversion scripts.
The scripts will produce the desired stereo outputs.
But if one goes back to the original image, toggling the visibility
of the top layer will simulate a gif movie.
If the images looks like they would make a suitable gif movie,
first the image needs to be optimize for gif.
This will create a new image.
Save this new image as a gif file in a place where you can find it.
Not all the features to this dialog have the auto fill in feature.
Of course save it as animation.
The speed of the animation can be set as well.
The result is the following.
Some more following examples.