i would cross my eyes first then slowly let them uncross and i would see it but it was always backwards for me (indented instead of popping out)
I've heard you're supposed to focus at some point well beyond the image.
i would cross my eyes first then slowly let them uncross and i would see it but it was always backwards for me (indented instead of popping out)
I've heard you're supposed to focus at some point well beyond the image.