Answer:
melting crayons on a canvas or spin art
Explanation:
A circa 1850 "Hillotype" photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill's process did reproduce some color photographically, but also that many specimens had been "sweetened" by the addition of hand-applied colors.
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Answer:
Scrim
Explanation:
Scrim is an opaque fabric usually used in photography where the properties of light are modified through it.