Relief printing uses EVA foamed sheet instead of wool felting.
Relief of engraving use press printmaking to imprinting: EX-LIBRIS 8X10cmEZ plate engraving (ball pen/needle engraving pen); bottom: black water-based inkLeft: Use EVA (hard foam board) to imprint, with clear and sharp edges.
Right: Embossing with raw wool felt, soft edges (the ink color in the groove will be squeezed out)
