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Fig. 3 Hexagonal cross-section object
Fig. 4 Pyramid object
Acknowledgements The authors are thankful to the Board of Colleges and University Development (BCUD) of Savitribai Phule Pune University, Pune, Maharashtra, India for funding this
research project under the grant number OSD/BCUD/360/122. The authors are also thankful to
Management of Pune District Education Association’s College of Engineering, Manjari (Bk.), Pune
for permitting to carry out this research work.