With various iterations of the Letter sheet fixture in place, I made some layered paper “art” using metallic paper:
That’s the Pyrotechnics quilt block pattern.
This is the RGBY Subpixel pattern:
The dotted rectangle in the lower left corner is the (turned off) front light in my low-budget light box and the glare in the upper left comes from the overhead basement LED strip lights.
AFAICT, “metallic paper” consists of shiny aluminum film bonded to heavy paper / cardstock, with transparent colored film bonded atop the aluminum. The sheet is, of course, highly reflective, which looks dark unless it’s reflecting a bright surface, like the well-lit Sewing Room ceiling:
I made the bright Pyrotechnics block in the upper left with art paper that looks bright & cheerful in any lighting:
That’s the difference between specular reflectors and Lambertian reflectors.
I cut the metallic paper face-down in the fixture:
Although I’m underwhelmed by the metallic-layered-paper results, the stuff does make spectacular chaff:
I should give our neighbor’s two-year-old lad a gift box …
The Smell of Molten Projects in the Morning 