Spiro Paper -DIY Erasable, Blue, UV Sensitive ,Cheap, Positive Photographic Paper

Spiro Paper -DIY Erasable, Blue, UV Sensitive ,Cheap, Positive Photographic Paper

  1. Mustafa Umut Sarac
    Spiro Paper -DIY Erasable, Blue, UV Sensitive ,Cheap, Negative Photographic Paper

    ps : that work like negative photographic paper

    Aachen Kids University Workshop Video and Recipe for to able to make your negative photographic paper...
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