... produced by a distributed set of material extrusion ( MEX ) suppliers. Design/methodology/approach This is an empirical study that commissioned the manufacture of a replica 2 × 2 DUPLO® brick by nine MEX suppliers. These bricks were then tested for their interoperability, which analysed...

... surface quality and mechanical properties of the final products. Design/methodology/approach In this study, a Design of Experiments ( DOE ) approach is implemented to vary the most critical parameters of the Fused Filament Fabrication ( FFF ) process, namely, nozzle diameter ( ND ), layer height ( LH...

...Tommy Tung-Ho Hong; Chupo Ho; Joe Au; Sidney Wing Fai Wong; Siu Fai Frankie Chan Purpose This paper aims to investigate methods for designing and producing a 3D-printed bike saddle through a single 3D printing process that eliminates the need for additional manual assembly of parts. The study...

... (ASA) compounds reinforced with carbon fiber (CF) and compared them with those produced by injection molding (IM). Design/methodology/approach The difference in both ASA_CF composites is the mixing process, achieved using twin-screw extruders with different mixing shear rates. The porosity...

..., structural design features and implementation location to determine predominant parameters, environmental impacts, advantages, and limitations. Design/methodology/approach The review analysed 16 cases of artificial reefs from both temperate and tropical regions. These were categorised based on the AM...

...Josué Costa-Baptista; Edith Roland Fotsing; Jacky Mardjono; Daniel Therriault; Annie Ross Purpose The purpose of this paper is the design and experimental investigation of compact hybrid sound-absorbing materials presenting low-frequency and broadband sound absorption. Design/methodology...

...Dorcas Kaweesa; Lourdes Bobbio; Allison M. Beese; Nicholas Alexander Meisel Purpose This study aims to investigate the tensile strength and elastic modulus of custom-designed polymer composites developed using voxel-based design. This study also evaluates theoretical models, such as the rule...

... production of micron-sized monodisperse emulsions, however, has been a challenge because of the complexity and technical difficulty of fabricating or upscaling three-dimensional (3 D) microfluidic structures on a chip. Therefore, the authors develop a fluid dynamical design that uses a standard...

... during manufacture. The purpose of this paper is to study the possibility of improving the surface quality of polylactic acid (PLA) parts manufactured by FFF using the shot blasting technique. Design/methodology/approach The influence of corundum blasting on 0.2 mm layer thickness FDM PLA parts...

...Rohan Prabhu; Jordan Scott Masia; Joseph T. Berthel; Nicholas Alexander Meisel; Timothy W. Simpson Purpose The COVID-19 pandemic has resulted in numerous innovative engineering design solutions, several of which leverage the rapid prototyping and manufacturing capabilities of additive...

... corals. Use additive manufacturing and silicone moulds for converting three-dimensional samples into limestone mortar with white Portland cement substrates for coral growth. Design/methodology/approach Tiles samples were designed and printed with different geometries and textures inspired by nature...

...Emre Özeren; Mirigul Altan Purpose The purpose of this study was to bring a new structural hybrid design approach to improve the mechanical and biological properties of the bone scaffolds fabricated by laser powder bed fusion, selective laser melting (SLM). Design/methodology/approach...

...Igor Budak; Aleksandar Kiralj; Mario Sokac; Zeljko Santosi; Dominic Eggbeer; Sean Peel Purpose Computer-aided design and additive manufacture (CAD/AM) technologies are sufficiently refined and meet the necessary regulatory requirements for routine incorporation into the medical field, with long...

.... Design/methodology/approach A priori, a computational fluid dynamics (CFD) analysis was carried out using the software ANSYS Fluent to determine the optimal flow path that results in least pressure drop, highest average velocity and least energy losses. Fluid–structure interaction (FSI...

...Matthijs Langelaar Purpose The purpose of this paper is to communicate a method to perform simultaneous topology optimization of component and support structures considering typical metal additive manufacturing (AM) restrictions and post-print machining requirements. Design/methodology/approach...

...Monica Carfagni; Lorenzo Fiorineschi; Rocco Furferi; Lapo Governi; Federico Rotini Purpose This paper aims to argue about the involvement of additive technologies (ATs) in the prototyping issues of designing. More precisely, it reviews the literature contributions focused on the different...

...Diana Popescu; Dan Laptoiu; Rodica Marinescu; Iozefina Botezatu Purpose This paper aims to fill a research gap by presenting design and 3D printing guidelines and considerations which apply to the development process of patient-specific osteotomy guides for orthopaedic surgery. Design...

...Dafeng Ji; Peng Wang; Xinhua Zhang; Xinrong Chen Purpose This paper aims to explore the feasibility of rapid prototyping for human hand bones and additional artery with topological preservation. Design/methodology/approach A serial of slices derived from spiral computed tomography human hand...

...Yunlong Tang; Yaoyao Fiona Zhao Purpose This paper aims to provide a comprehensive review of the state-of–the-art design methods for additive manufacturing (AM) technologies to improve functional performance. Design/methodology/approach In this survey, design methods for AM to improve...

...Leopoldo Ruiz-Huerta; Yara Cecilia Almanza-Arjona; Alberto Caballero-Ruiz; Homero Alberto Castro-Espinosa; Celia Minerva Díaz-Aguirre; Enrique Echevarría y Pérez Purpose – The purpose of this study is to suggest the joint use of computer-aided design (CAD) and additive manufacturing (AM...