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Kaleidoscope 2.1 is a plugin which proceeds to multiple symmetries to obtain beautiful patterns. Since the version 2, this plugin proposes three spinning effects:
Mirror: traditional effect. Consecutive sectors are symmetric.
Copy: takes a sector and repeat it. Transition between consecutive sectors are antialiased.
Blend: turn the complete image, several times; and realize a blend.
Download Kaleidoscope 2.1

Beginning Image

Step One - Filter

Step Two - Apply Settings I Used The Ones Above

Finished Product