Remember magic eye pictures?

[OpenMind]

forumgarden note: please "attach" these photos.

[OpenMind]

SnoozeControl wrote: I'm embarrassed to admit I've spent at least 5 minutes staring at one of these, and the image never did appear.:-2


I finally mastered it when I saw some framed behind glass. By focussing on the reflections in the glass, the 3D image appears. Once you've done it once, it's easy to get the focus right without glass.