Factors Affecting Apparel Pattern Grading Accuracy: Existing Software Solutions Comparison and Development of New Solution

Authors

  • Md. Mazharul Islam Northern University Bangladesh, Department of Textile Engineering, Dhaka-1213, Bangladesh Author
  • Md. Reazuddin Repon ZR Research Institute for Advanced Materials, Sherpur-2100, Bangladesh; Khwaja Yunus Ali University, Department of Textile Engineering, Sirajgang-6751, Bangladesh; Kaunas University of Technology, Department of Production Engineering, Faculty of Mechanical Engineering and Design, Studentu 56, LT-51424, Kaunas, Lithuania Author
  • Md. Shohan Parvez Khulna University of Engineering & Technology, Department of Textile Engineering, Khulna-9203, Bangladesh Author
  • Md. Mahbubul Haque Daffodil International University, Department of Textile Engineering, Dhaka-1207, Bangladesh Author
  • Mohammad Abdul Jalil Khulna University of Engineering & Technology, Department of Textile Engineering, Khulna-9203, Bangladesh Author https://orcid.org/0000-0002-0006-8086

DOI:

https://doi.org/10.14502/Tekstilec2021.64.338-360

Keywords:

grading, CAD, pattern making, grading system, Pythagoras grading

Abstract

Every so often, grading is not 100% accurate due to the conventional system for calculating the grading incre­ment. The aim of this study was to develop a new calculation system of grading increment provided by different software, e.g. Lectra, Gerber, Optitex, Boke CAD etc., and to develop a new mathematical solution that enhances grading precision. For this experiment, three different spec sheets of different buyers were collected, and then combined and drawn to a solitary sketch for both front and back including all points of measures (POM) for a more easy comparison. The solutions for the presence of diagonal and curve measurements were provided with examples using various tools and techniques of different professional garment CAD software. The benefit of the new approach is not only reduced errors of grading but also guaranteed garment fit without distorting style features. However, the drawbacks of the measurement method are complicated and time-consuming. They revolve around the fact that iterative fitting and adjustments are mandatory to improve the fit before bulk production. The study revealed that this new system slightly increases calculation time, whereas the sample approval time for order execution reduces considerably.

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Published

2021-11-28

Issue

Section

Scientific article

How to Cite

Islam, M. M., Repon, M. R., Parvez, M. S., Haque, M. M., & Jalil , M. A. (2021). Factors Affecting Apparel Pattern Grading Accuracy: Existing Software Solutions Comparison and Development of New Solution. Tekstilec, 64(4), 338-360. https://doi.org/10.14502/Tekstilec2021.64.338-360

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