Pattern OR Random Dot generator
  To create a stereogram, you need a pattern or a random dot picture as background of stereogram.
  In Stereogram magician, there are 8 patterns for selection. Also, you can select your own picture as a pattern. In addition, you can download more patterns from Stereogram magician web serivce(see Download patterns from web service).
  Random Dot generator can help you generate a random dot picture with different colors which you selected.