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(4) Moiré In printing, etc., sometimes a clear photostat is not gained due to the covering over of dots making a interfering type pattern. This pattern is called a moiré and is created by the subtle differences in piling points orderly. The original form to make a moiré is one in which points are detailed and organized orderly rather than one in which points are large and spread out. Also, the original form prefers the same or a slightly different shape of points, and when the structure of the original form is the same or very similar, it is easy to see the moiré clearly.
Moiré can also be made by lines. And space moiré is also made by arranging a collection of
points or lines in order on parallel displayed transparent boards. Space moiré made like this can make
a dynamic moiréwhose pattern moves with the transition of one's point of view.
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