(metalworking, dated) A full-sized model around which a mould of sand is made, to receive the melted metal. It is usually made of wood and in several parts, so as to be removed from the mould without damage.
A design, motif or decoration, especially formed from regular repeated elements. [from 16th c.] Synonym: (when formed from regular repeated elements) tessellation
A naturally-occurring or random arrangement of shapes, colours etc. which have a regular or decorative effect. [from 19th c.]