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This is an Open Access article in the “Special issue section on Fractals in Advanced Textiles, Intelligent Wearables, and Fashionable Clothing”, edited by Dahua Shou (The Hong Kong Polytechnic University, Hong Kong, China), Kausik Bal (University of Calcutta, India), Jianlong Kou (Zhejiang Normal University, China) & Wan Shou (Massachusetts Institute of Technology, USA) published by World Scientific Publishing Company. It is distributed under the terms of the
Creative Commons Attribution 4.0 (CC BY) License which permits use, distribution and reproduction in any medium, provided the original work is properly cited.