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It has been difficult to obtain the fitted bra wire shape for women’s breasts, since the under breast root shape extracted from 3D bodyscan breast images is three dimensional. A detailed matrix algorithm for the geometric relation is firstly introduced and presented for transferring the 3D bra wire shape to one that is 2D to create a fitted bra underwire shape prototype. In this paper, the under breast root shape was extracted from a medium average avatar, then the curve line was exported as a point format. Points were taken as research subject, then the transformation matrix algorithm was applied to the spatial coordinates of the points to fulfill the transformation. Thereby a detailed program was operated in MATLAB for obtaining the coordinates of points to create the contour for the 2D wire shape. The matrix algorithm method was a useful, simple and straightforward method to implement. In addition, it works well for various kinds of breast shapes. [ABSTRACT FROM AUTHOR]

The aim of this paper is to explore the optimum parameters for Chinese female underwire bra size system. Raw data was collected for 275 subjects using a 3D scanner, and 108 measurement values were extracted by reverse engineering software Polyworks. Analysis of data was conducted by integrating the entropy weight method and Principal Component Analysis (PCA) methods. It was determined that the value of breast breadth (straight distance from inner most point to outer most point on the breast) should be added to the pivotal parameters and compared to previous research to classify the breast shape and to create a totally new size system for the underwire bra. This information can provide the value width for the pattern maker and help in choosing the right sized & shaped wire for the underwire bra. When compared to former research, more breast shapes were defined than when only the depth width ratio and under-bust girth were used as parameters. [ABSTRACT FROM AUTHOR]

The objectives of this study are to analyze the automatic pattern generation process for making custom fit garment using the made-to-measure (MTM) CAD system, which produces apparel products based on individual body measurements, and to provide basic materials for the utilization of this technology in apparel manufacturing for mass customization. In order to make MTM patterns, basic patterns were digitized by using the Gerber CAD system, and designated critical alteration points based on body measurements important for pattern design. Then, grading rules and alteration rules based on the ASTM 5585 standard sizes were formulated, size tables for entering standard sizes and individual sizes were made, and MTM patterns were generated for custom fit garment according to individual body measurements. In the apparel manufacturing process, the computer-aided design (CAD) system for pattern design has been utilized merely for digitizing and grading patterns, and the application of individual size has usually been made through manual work on the patterns. The MTM CAD system in this study is expected to be utilized as a computer-aided manufacture system for the clothing industry in the age of mass customization and to play an important role in manufacturing custom fit garment reflecting individual customers' body measurements. Moreover, the MTM CAD system may be usable in the automated pattern generation reflecting individual body measurements. [ABSTRACT FROM AUTHOR]