In area of 3D-printing is a lot of usefull tehnologies. In this final task we used technology with fused deposition modelling. It presents the process of selecting the best parameters for printing PLA and ABS. All samples were tested in three-point bending test. We found that the bending tension and force increace with the filling level of test specimens. The maximum force and bending tension is sustained by PLA specimens which are filled 100 %. ABS specimens with 100 % infill could be replaced with PLA specimens which are filled only 30 %, if the internal structure were in a triangular shape.
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