Types of patterns : These  depends upon many factors like the bulk of casting, type of moulding processes, number of castings required and the anticipated difficulty of moulding, on account of the typical shape or design of casting.

            The following kinds of patterns are generally used :

            1.   Solid or single piece pattern               

    2.   Two-piece or split pattern

            3.   Multi-piece pattern                                

    4.   Match plate pattern

            5.   Gated pattern                                         

    6.   Skeleton pattern

            7.   Sweep pattern                                       

            8.   Pattern with loose piece

            9.   Cope and drag pattern                         

            10. Follow board pattern

            11. Segmental pattern