©UdoSm's articles with the keyword: X3D

You have to watch the photos (are two) with crossed eyes. With other words: squint. Distance to the screen approximately 20-30 cm at a right angle, look to the Center. Squinting with concentration on the right hand picture. If the images begin running superimposed, and you see three, then focus the middle picture and try to see sharp there so that the pictures do not go apart again. All right? Sometimes it takes a long time until it works. Keep trying and suddenly it's there. It is a wonderful…