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Ricter Web employees share knowledge tips & resources.
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Screen Angles
When traditional halftone dots are made they all line up in rows and columns. Screen angles are the angle at which these dots lie compared to the paper. In process printing each colour is printed at a different angle to prevent the dots from interfering with each other and creating moire patterns. A typical set of angles would be Cyan at 105°, Magenta at 75°, yellow at 0° and black at 45°. With a good set of angles the dots when printed together should create a rosette pattern.

 

 
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