In an era where statue manufacturers charge high-end laptop prices for polyresin figures that arrive in refrigerator-sized cardboard boxes, a quiet revolution continues in the backstreets of Katsushika, Tokyo.

Soft vinyl—or sofubi—has remained largely unchanged since the late 1960s. Skilled artisans pour liquid PVC into heated nickel moulds, slush it by hand to achieve uniform wall thickness, and pull the still-warm castings out with heavy leather tongs. There is no automated assembly line. Every seam, every spray mask gradient, and every air-pocket irregularity bears the direct signature of a human craftsman.