{
"scene": "Parallel black slits over a blue portrait halftone create a hidden face that appears only from one viewing angle.",
"subjects": [
{
"type": "Slit mask over halftone",
"description": "Fine vertical slits and a cyan dot portrait perfectly phased",
"position": "Face center on right third",
"pose": "Planar overlay",
"expression": "Quiet apparition",
"interaction": "…