A quasi-color layer stacking process for producing multiple stacked layers of quasi-color photoluminescent lithophane of a digitized picture using only luminance information from the digitized picture, said quasi-color stacking process comprising:
- producing a first stack of quasi-color photoluminescent lithophane layers comprising a first non-glow reflector base layer, a first glow in the dark green layer stacked directly above the first non-glow reflector base layer, a first non-glow translucent green layer stacked directly above the first glow in the dark green layer, a first lower blue layer stacked directly above the first non-glow translucent green layer, a first lower red layer stacked directly above the first lower blue layer, a first middle blue layer stacked directly above the first lower red layer, a first upper red layer stacked directly above the first middle blue layer, and a first top blue layer stacked directly above the first upper red layer;
- producing a second stack of quasi-color photoluminescent lithophane layers comprising a second non-glow translucent green layer, a second lower blue layer stacked directly above the second non-glow translucent green layer, a second lower red layer stacked directly above the second lower blue layer, a second middle blue layer stacked directly above the second lower red layer, a second upper red layer stacked directly above the second middle blue layer, and a second top blue layer stacked directly above the second upper red layer;
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- stacking the second non-glow translucent green layer of the second stack of quasi-color photoluminescent lithophane layers directly above the first top blue layer of the first stack of quasi-color photoluminescent lithophane layers to produce a stacked quasi-color photoluminescent lithophane comprising the first stack of quasi-color photoluminescent lithophane layers and the second stack of quasi-color photoluminescent lithophane layers.