Photobatik is one of Photogram techniques produced by a Japanese artist Yoshio Machida in the 1990s.
Photograms are produced by partial exposure and development of the entire photosensitive surface.
[1] Photobatik is "whole exposure and partial development."
Machida has expanded his technique to overexposure of the photographic paper followed by only fixing the image, resulting in a pink image.
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