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원뿔형 인체분할을 이용한 용융 적층 방식 소형 인체 마네킨 3D 프린팅의 지지 구조 최소화
김성민,설인환,Kim, Sungmin,Sul, In Hwan 한국섬유공학회 2018 한국섬유공학회지 Vol.55 No.3
3D printing was adopted to create a miniature human manikin. One of the disadvantages of 3D printing, especially fused deposition modeling type, is the need for a support structure for overhangs. The support structure can be waste of raw filament in a way, and also harms the surface smoothness of the final printed product. To minimize the amount of support structure, human body parts were dissected into cone-shaped segments by automatically finding bone and surface feature points. A commercial 3D printer was used and the printed manikins with and without body segmentation technique were compared quantitatively. Our cone-shaped segmentation-based printing scheme showed dramatically less amount of support structure and more smooth surfaces on most segments, except for non-cube shapes such as the head, hands, and feet.
웹 기반 디지털 텍스타일 프린팅 의복 디자인 시스템 개발
김성민,Kim, Sungmin 한국섬유공학회 2017 한국섬유공학회지 Vol.54 No.3
A web-based custom garment design system was developed that enables users to design their own garment by placing various images and texts on three-dimensional (3D) garment models generating the image data for digital textile printing (DTP). An image mapping software was developed to test the mapping of images and texts on 3D garment models. Garment models were prepared by specially designed drape simulation software that provides DTP-ready pattern data along with the garment models. A common gateway interface (CGI) software module and a test server were developed using the core of the image mapping software. Users can design various customized garments in 3D using this CGI software on any device type or operating system as long as they have access to the Internet. Finally, the designed garment is converted into a single image that can be directly used for DTP garment production.
정보교환 및 의사결정지원을 고려한 웹 기반 협업설계 프레임워크
김성민(Sungmin Kim),Purevdorj Nyamsuren,이수홍(Soo-Hong Lee) (사)한국CDE학회 2013 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2013 No.1
Numbers of industries are executing product designs along with distant located development teams. Since the global manufacturing paradigm is shifting to specialization, the needs for collaborating product designs along with different industries are gradually increasing. The importance of providing sufficient environment for design collaboration is increased simultaneously. This research proposed a web-based design collaboration framework aimed to satisfy industries’ collaboration requirements. The framework is designed to support decision making as well as design collaboration module. Based on modular structure, the framework expandability is considered for further industrial needs. On decision making supporting model, real-time conference room and asynchronous communication features are constructed. Managing design collaboration projects by users are supported as well. This design collaboration module provides engineering design data management by providing engineering revision control and task feature. A Web-GL based 3D viewer visualizes each design files regardless of the file’s part/assembly state.