Abstract
A low–cost 3D printer was used to generate porous biopolymer scaffolds. Scaffolds with various interconnected pores were designed and built on an open–source fused deposition modelling (FDM) system 'RepRap Mendel'. The scaffolds were analysed in accordance with feasibility, geometrical accuracy, and quality. REM images were taken for visual investigation and the results were qualitatively compared with industrial FDM systems. The results have shown that highly porous scaffolds with different pore geometries and sizes can be achieved with a low–cost printer. This paper also describes the potential application for the manufacture of scaffolds with a low–cost FDM machine and its limitations.
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