Local procedural materials created for Papercraft Studio 5.
cotton, knit, denim, sequins, leather, linen: grayscale luminance tiles, tinted from the photograph.
hair_chestnut, hair_blonde, hair_black, hair_auburn, hair_silver: hair texture samples.
Generator: portrait_engine.write_material_library(). No external asset downloads or network access.
YuNet is retained from the user's original 4.2 executable in models/.
