Explore the possibilities of cost reduction of FFF (Fused Filament Fabrication) 3D printing technology by means of the reduction of manufacturing time (over processing), energy consumption, CO2 footprint based on:
1. Experimental research on the influence of variation in density (infill) and pattern of the internal structure;
2. Experimental research of the influence of the variation of the geometric complexity;
3. Experimental samples made of PLA and ABS materials;
4. Experimental research involving 3D printers of standard, medium and large building chamber volume.
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