A trial run was performed in which a series of sampleswere built on the FDM FORTUS 400mc using ABS M30imaterial. FDM FORTUS 400mc by Stratasys was used toproduce the specimens. The machine is equipped withInsight software that assists the user to adjust the variableparameters in building part specification. Principally, theFDM variables are considered as four groups of operatingparameters, as follows; FDM build specification, FDMenvironment/machine, and material specification.The full factor experiment was obtained to develop theexperimentation plan for five parameters and two levels,considering the highest number of experimentation runsfor the specified number of runs and levels in order tooptimize the maximum parameters combinations. In thisstudy, Full factor experiment orthogonal array design ofL32 (two levels-five factors) has been selected initiallyaccording to the number of FDM variable parameters andnumber of settings or levels.The dimensions of the samples were selected accordingto ASTM specimen as shown in figure 1.
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