{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T01:27:54Z","timestamp":1777598874874,"version":"3.51.4"},"reference-count":48,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2021,7,3]],"date-time":"2021-07-03T00:00:00Z","timestamp":1625270400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Structural and Investment Founds of Europe Union","award":["CZ.02.1.01\/0.0\/0.0\/17_049\/0008407"],"award-info":[{"award-number":["CZ.02.1.01\/0.0\/0.0\/17_049\/0008407"]}]},{"name":"Structural Founds of Europe Union and from the means of state budget of the Czech Republic","award":["CZ.1.07\/2.3.00\/20.0037"],"award-info":[{"award-number":["CZ.1.07\/2.3.00\/20.0037"]}]},{"name":"Ministry of Education, Youth and Sports and Faculty of Mechanical Engineering V\u0160B-TUO","award":["Students Grant Competition SP2021\/100"],"award-info":[{"award-number":["Students Grant Competition SP2021\/100"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>The combination of topology optimization (TO) and 3D printing has revolutionized the way components are designed and fabricated. In view of this, this manuscript presents a TO workflow considering the frame of a scooter. In particular, TO is employed to redesign the scooter frame based on a commercial one. The topologically optimized frame is then fabricated with stainless steel 316L utilizing the selective laser melting (SLM) method. In particular, technical obstacles encountered during the process and according solutions are recorded. Given the herein notes, readers who are working with the two technologies can anticipate the technical problems and deliver more effective solutions should any of them arise.<\/jats:p>","DOI":"10.3390\/sym13071201","type":"journal-article","created":{"date-parts":[[2021,7,4]],"date-time":"2021-07-04T22:35:22Z","timestamp":1625438122000},"page":"1201","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Comprehensive View of Topological Optimization Scooter Frame Design and Manufacturing"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0438-721X","authenticated-orcid":false,"given":"Jakub","family":"Mesicek","sequence":"first","affiliation":[{"name":"Department of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 70833 Ostrava, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lukas","family":"Jancar","sequence":"additional","affiliation":[{"name":"Department of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 70833 Ostrava, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0613-2683","authenticated-orcid":false,"given":"Quoc-Phu","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 70833 Ostrava, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9228-2521","authenticated-orcid":false,"given":"Jiri","family":"Hajnys","sequence":"additional","affiliation":[{"name":"Department of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 70833 Ostrava, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4024-1231","authenticated-orcid":false,"given":"Tomasz","family":"Tanski","sequence":"additional","affiliation":[{"name":"Department of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18a, 44-100 Gliwice, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pavel","family":"Krpec","sequence":"additional","affiliation":[{"name":"V-NASS, a.s., Halasova 2938\/1a, 70300 Ostrava, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7839-2767","authenticated-orcid":false,"given":"Marek","family":"Pagac","sequence":"additional","affiliation":[{"name":"Department of Machining, Assembly and Engineering Metrology, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 70833 Ostrava, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,7,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1016\/j.compositesb.2018.02.012","article-title":"Additive manufacturing (3D printing): A review of materials, methods, applications and challenges","volume":"143","author":"Ngo","year":"2018","journal-title":"Compos. Part B Eng."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Gibson, I., Rosen, D., and Stucker, B. (2010). Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing, Springer.","DOI":"10.1007\/978-1-4419-1120-9"},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"\u010cervinek, O., Werner, B., Koutn\u00fd, D., Vaverka, O., Pant\u011blejev, L., and Palou\u0161ek, D. (2021). Computational Approaches of Quasi-Static Compression Loading of SS316L Lattice Structures Made by Selective Laser Melting. Materials, 14.","DOI":"10.3390\/ma14092462"},{"key":"ref_4","doi-asserted-by":"crossref","unstructured":"Podrou\u017eek, J., Marcon, M., Nin\u010devi\u0107, K., and Wan-Wendner, R. (2019). Bio-Inspired 3D Infill Patterns for Additive Manufacturing and Structural Applications. Materials, 12.","DOI":"10.3390\/ma12030499"},{"key":"ref_5","doi-asserted-by":"crossref","unstructured":"Pokorn\u00fd, P., V\u00e1clav, \u0160., Petru, J., and Kritikos, M. (2021). Porosity Analysis of Additive Manufactured Parts Using CAQ Technology. Materials, 14.","DOI":"10.3390\/ma14051142"},{"key":"ref_6","doi-asserted-by":"crossref","unstructured":"Gogolewski, D., Bartkowiak, T., Kozior, T., and Zmarz\u0142y, P. (2021). Multiscale Analysis of Surface Texture Quality of Models Manufactured by Laser Powder-Bed Fusion Technology and Machining from 316L Steel. Materials, 14.","DOI":"10.3390\/ma14112794"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"112","DOI":"10.1016\/j.pmatsci.2017.10.001","article-title":"Additive manufacturing of metallic components\u2014Process, structure and properties","volume":"92","author":"DebRoy","year":"2018","journal-title":"Prog. Mater. Sci."},{"key":"ref_8","doi-asserted-by":"crossref","unstructured":"Pagac, M., Hajnys, J., Halama, R., Aldabash, T., Mesicek, J., Jancar, L., and Jansa, J. (2021). Prediction of model distortion by FEM in 3D printing via the selective laser melting of stainless steel AISI 316l. Appl. Sci., 11.","DOI":"10.3390\/app11041656"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1016\/S0026-0657(14)70083-9","article-title":"3D printing the world\u2019s first metal bicycle frame","volume":"69","author":"Nickels","year":"2014","journal-title":"Met. Powder Rep."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1504\/IJPT.2018.090371","article-title":"Design optimisation for an additively manufactured automotive component","volume":"7","author":"Abdi","year":"2018","journal-title":"Int. J. Powertrains"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/j.mtcomm.2018.03.007","article-title":"Lattice structured impact absorber with embedded anti-icing system for aircraft wings fabricated with additive SLM process","volume":"15","author":"Ferro","year":"2018","journal-title":"Mater. Today Commun."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"1509","DOI":"10.1007\/s00170-019-03613-5","article-title":"Material-design-process selection methodology for aircraft structural components: Application to additive vs subtractive manufacturing processes","volume":"103","author":"Hodonou","year":"2019","journal-title":"Int. J. Adv. Manuf. Technol."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1007\/s00170-015-7155-6","article-title":"Bionic design and verification of high-precision machine tool structures","volume":"81","author":"Yan","year":"2015","journal-title":"Int. J. Adv. Manuf. Technol."},{"key":"ref_14","doi-asserted-by":"crossref","unstructured":"Liu, J., Ou, H., He, J., and Wen, G. (2019). Topological Design of a Lightweight Sandwich Aircraft Spoiler. Materials, 12.","DOI":"10.3390\/ma12193225"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"105664","DOI":"10.1016\/j.ast.2019.105664","article-title":"Bionic design for the aerodynamic shape of a stratospheric airship","volume":"98","author":"Yang","year":"2020","journal-title":"Aerosp. Sci. Technol."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1016\/j.matdes.2018.04.058","article-title":"Bio-functional and anti-corrosive 3D printing 316L stainless steel fabricated by selective laser melting","volume":"152","author":"Kong","year":"2018","journal-title":"Mater. Des."},{"key":"ref_17","doi-asserted-by":"crossref","unstructured":"Hlinka, J., Kraus, M., Hajnys, J., Pagac, M., Petru, J., Brytan, Z., and Tanski, T. (2020). Complex corrosion properties of AISI 316L steel prepared by 3D printing technology for possible implant applications. Materials, 13.","DOI":"10.3390\/ma13071527"},{"key":"ref_18","unstructured":"Bendsoe, M.P., and Sigmund, O. (2003). Topology Optimization: Theory, Methods and Applications, Springer."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"232","DOI":"10.1108\/RPJ-10-2017-0213","article-title":"Generating support structures for additive manufacturing with continuum topology optimization methods","volume":"25","author":"Liu","year":"2019","journal-title":"Rapid Prototyp. J."},{"key":"ref_20","first-page":"041007","article-title":"Parametric Topology Optimization Toward Rational Design and Efficient Prefabrication for Additive Manufacturing. J. Manuf. Sci. Eng. Trans","volume":"141","author":"Jiang","year":"2019","journal-title":"ASME"},{"key":"ref_21","doi-asserted-by":"crossref","unstructured":"Jiang, D., Hoglund, R., and Smith, D.E. (2019). Continuous Fiber Angle Topology Optimization for Polymer Composite Deposition Additive Manufacturing Applications. Fibers, 7.","DOI":"10.3390\/fib7020014"},{"key":"ref_22","doi-asserted-by":"crossref","unstructured":"Zhu, D., Zhan, W., Wu, F., and Simeone, A. (2018). Topology Optimization of Spatially Compliant Mechanisms with an Isomorphic Matrix of a 3-UPC Type Parallel Prototype Manipulator. Micromachines, 9.","DOI":"10.3390\/mi9040184"},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/j.cad.2018.12.006","article-title":"Overhang constraint for topology optimization of self-supported compliant mechanisms considering additive manufacturing","volume":"110","author":"Garaigordobil","year":"2019","journal-title":"Comput. Aided Des."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1016\/j.cja.2020.09.020","article-title":"A review of topology optimization for additive manufacturing: Status and challenges","volume":"34","author":"Zhu","year":"2021","journal-title":"Chin. J. Aeronaut."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Bends\u00f8e, M.P., and Sigmund, O. (2004). Topology optimization by distribution of isotropic material. Topology Optimization, Springer.","DOI":"10.1007\/978-3-662-05086-6"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1016\/j.procir.2018.03.270","article-title":"Topology optimization for additive manufacturing using a component of a humanoid robot","volume":"70","author":"Junk","year":"2018","journal-title":"Procedia CIRP"},{"key":"ref_27","doi-asserted-by":"crossref","unstructured":"Orme, M., Madera, I., Gschweitl, M., and Ferrari, M. (2018). Topology optimization for additive manufacturing as an enabler for light weight flight hardware. Designs, 2.","DOI":"10.3390\/designs2040051"},{"key":"ref_28","first-page":"93","article-title":"Bionic Architecture, Forms and Constructions","volume":"3","author":"Sadri","year":"2014","journal-title":"Res. J. Recent Sci."},{"key":"ref_29","doi-asserted-by":"crossref","unstructured":"Ding, Y., Zhou, Z., Wang, Z., Liu, H., and Wang, K. (2019). Bionic Stiffener Layout Optimization with a Flexible Plate in Solar-Powered UAV Surface Structure Design. Appl. Sci., 9.","DOI":"10.3390\/app9235196"},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Wargu\u0142a, \u0141., Wojtkowiak, D., Kukla, M., and Tala\u015bka, K. (2021). Symmetric Nature of Stress Distribution in the Elastic-Plastic Range of Pinus, L. Pine Wood Samples Determined Experimentally and Using the Finite Element Method (FEM). Symmetry, 13.","DOI":"10.3390\/sym13010039"},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/j.cag.2014.09.021","article-title":"Combined shape and topology optimization of 3D structures","volume":"46","author":"Christiansen","year":"2015","journal-title":"Comput. Graph."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"04019167","DOI":"10.1061\/(ASCE)ST.1943-541X.0002454","article-title":"Topology Optimization and 3D Printing of Three-Branch Joints in Treelike Structures","volume":"146","author":"Wang","year":"2020","journal-title":"J. Struct. Eng."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"467","DOI":"10.1007\/s00170-017-0112-9","article-title":"Additive manufacturing integration with topology optimization methodology for innovative product design","volume":"93","author":"Primo","year":"2017","journal-title":"Int. J. Adv. Manuf. Technol."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1016\/j.procir.2016.02.058","article-title":"Prediction of Residual Stress and Part Distortion in Selective Laser Melting","volume":"45","author":"Li","year":"2016","journal-title":"Procedia CIRP"},{"key":"ref_35","first-page":"416","article-title":"A pragmatic part scale model for residual stress and distortion prediction in powder bed fusion","volume":"22","author":"Williams","year":"2018","journal-title":"Addit. Manuf."},{"key":"ref_36","unstructured":"(2021, June 28). The Project. Available online: http:\/\/www.3i-print.com\/."},{"key":"ref_37","unstructured":"(2021, June 28). Significant Weight Reduction by Using Topology Optimization in Volkswagen Design Development. Available online: https:\/\/www.altair.com\/resource\/significant-weight-reduction-by-using-topology-optimization-in-volkswagen-design-development."},{"key":"ref_38","unstructured":"(2021, June 28). BMW 3D Printing Superbike Components at the Track|3D-Prints. Available online: https:\/\/3d-prints.com\/2020\/11\/04\/bmw-3d-printing-superbike-components-at-the-track\/."},{"key":"ref_39","unstructured":"(2021, June 28). Airbus APWorks Launches the \u2018Light Rider\u2019: The World\u2019s First 3D-Printed Motorcycle. Available online: https:\/\/www.airbus.com\/newsroom\/press-releases\/en\/2016\/05\/APWorks-Launch-Light-Rider.html."},{"key":"ref_40","unstructured":"(2021, June 28). Topology Optimization of Aircraft Wing Box Ribs. Available online: https:\/\/www.altair.com\/resource\/topology-optimization-of-aircraft-wing-box-ribs."},{"key":"ref_41","unstructured":"(2021, June 28). Relativity Space. Available online: https:\/\/www.relativityspace.com\/rockets."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"2790","DOI":"10.17973\/MMSJ.2019_03_2018127","article-title":"Influence of basic process parameters on mechanical and internal properties of 316l steel in SLM process for RENISHAW AM400","volume":"2019","author":"Hajnys","year":"2019","journal-title":"MM Sci. J."},{"key":"ref_43","unstructured":"(2021, May 07). Inspire 2018\u2014Why Use PolyNURBS?. Available online: https:\/\/www.altair.com\/training\/inspire_2018\/content\/polynurbs\/why_polynurbs.htm."},{"key":"ref_44","doi-asserted-by":"crossref","unstructured":"Mohyla, P., Hajnys, J., Sternadelov\u00e1, K., Krej\u010d\u00ed, L., Pag\u00e1\u010d, M., Kone\u010dn\u00e1, K., and Krpec, P. (2020). Analysis of welded joint properties on an AISI316L stainless steel tube manufactured by SLM technology. Materials, 13.","DOI":"10.3390\/ma13194362"},{"key":"ref_45","doi-asserted-by":"crossref","unstructured":"Kozior, T., Bochnia, J., Zmarz\u0142y, P., Gogolewski, D., and Mathia, T. (2020). Waviness of Freeform Surface Characterizations from Austenitic Stainless Steel (316 L) Manufactured by 3D Printing-Selective Laser Melting (SLM) Technology. Materials, 13.","DOI":"10.3390\/ma13194372"},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"Hajnys, J., Pag\u00e1\u010d, M., M\u011bs\u00ed\u010dek, J., Petru, J., and Kr\u00f3l, M. (2020). Influence of Scanning Strategy Parameters on Residual Stress in the SLM Process According to the Bridge Curvature Method for AISI 316L Stainless Steel. Materials, 13.","DOI":"10.3390\/ma13071659"},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/j.msea.2019.04.111","article-title":"Enhancement of an additive-manufactured austenitic stainless steel by post-manufacture heat-treatment","volume":"759","author":"Chen","year":"2019","journal-title":"Mater. Sci. Eng. A"},{"key":"ref_48","doi-asserted-by":"crossref","unstructured":"Sotola, M., Marsalek, P., Rybansky, D., Fusek, M., and Gabriel, D. (2021). Sensitivity Analysis of Key Formulations of Topology Optimization on an Example of Cantilever Bending Beam. 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