Abstract FFF (Fused Filament Fabrication) prototyping method is mostly used in the fabrication of 3D complex geometric shapes. Layer by layer deposition technology offers a wide range shapes for plastic parts. The mechanical characteristics manufactured parts depends on material and printing parameters. studies conducted this paper show influence parameters tensile properties ABS (Acrylonitrile...

This study aims to determine the compression strength of Fused Deposition Material (FDM) additive manufacturing with parameters in different layer thicknesses between 0.10 – 0.35 mm. The specimen process refers ASTM D695 Standards ABS (acrylonitrile butadiene styrene) and PLA (polylactic acid) materials. Based on test results, highest is found 0.15 mm thickness material a yield value 66.78 MPa....

Epidemiologic studies can measure exposure to volatile organic compounds (VOCs) using environmental samples, biomarkers, questionnaires, or observations. These different exposure assessment approaches each have advantages and disadvantages; thus, evaluating relationships is an important consideration. In the National Children's Vanguard Study from 2009 to 2010, participants completed questionna...

This paper discusses some basic metrology considerations when 3D printing. The importance of ensuring correct measurements is highlighted especially for practical applications. last part the presents sample dimensional 3D-printed parts with varying sizes, infill density and layer thickness. Different cube sizes 10 mm3, 15 20 mm3 has been produced using a commercially-available printer. Acryloni...