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S.-J. Jang(장세진),M.-S. Ghim(김민수),N.-U. Kang(강내운),H.-J. Jeong(정훈진),Y.-Y. Kim(김영율),Y.-S. Cho(조영삼) Korean Society for Precision Engineering 2021 한국정밀공학회 학술발표대회 논문집 Vol.2021 No.11월
In bone tissue engineering for reconstruction of 3D free-form bone defects, research on the application of 3D printing technology is steadily progressing. However, conventional techniques have been developed in the form of not only fabricating on a generally flat surface, but also simply stacking them in three dimensions. In particular, scaffolds designed in most studies using 3D printing are generally designed based on a flat surface, so it has been difficult to design /manufacture them in a form having a three-dimensional free shape. In this study, in order to produce a three-dimensional freeform surface shape more precisely, the FDM method, which is a representative method for flat-based lamination, and CLFDM, which is a representative technology for curved printing, were developed. This technology will be an alternative to improving the geometrical precision and improving the difficulty of scaffold design at the same time as the customized design of the 3D free-form surface defect.