This paper describes the experiments carried out on fused deposition modelling (FDM) machine to investigate the effects of process parameters on the cost of producing suspension arm and articulated rod. The process parameters considered include build orientation, raster width, and air gap. Using the cost estimation procedure described in this paper, the best option for part orientation, raster width, and air gap is realized which impact on the cost of manufacturing the part. Consequently, before committing to run the FDM machine, users can anticipate process parameters that will minimize manufacturing cost. However, in some cases, other objectives need be considered such as functionality since the configuration that leads to minimum cost may not necessarily result in optimum functionality.

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