In today’s world every product ranging from a safety pin to huge complex aircraft engines are all manufactured\ud by various manufacturing techniques. It involves various processes like casting, forming, machining, welding\ud etc. Complex machines have numerous parts and elements which may be asymmetric; irregular shaped and\ud might have a different cross-sectional profile. Manufacturing these complex and intricate shaped components to\ud required dimensional accuracy and good surface finish is a tough task and requires use of various processes like\ud machining, bending etc. This induces some amount of residual stresses in the machine component, and thereby\ud makes it more susceptible to catastrophic failure.\ud To minimize these losses and produce irregular shaped components more efficiently, a unique sand casting\ud process is explained in this paper which makes use of a pattern made of sublime material which when burnt,\ud produces a hollow cavity where the molten metal is poured and the casting is performed. This method eliminates\ud the use of additional finishing processes and gives a good surface finish to the final machine components
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