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The transition toward circular economy models has been progressively promoted in the last few years. Different disciplines and strategies may significantly support this change. Although the specific contribution derived from design, material science, and additive manufacturing is well-established, their interdisciplinary relationship in circular economy contexts is relatively unexplored. This paper aims to review the main case studies related to new circular economy models for waste valorization through extrusion-based additive manufacturing, circular materials, and new design strategies. The general patterns were investigated through a comprehensive analysis of 74 case studies from academic research and design practice in the last six-year period (2015–2021), focusing on the application fields, the 3D printing technologies, and the materials. Further considerations and future trends were then included by looking at the relevant funded projects and case studies of 2021. A broader number of applications, circular materials, and technologies were explored by the academic context, concerning the practice-based scenario linked to more consolidated fields. Thanks to the development of new strategies and experiential tools, academic research and practice can be linked to foster new opportunities to implement circular economy models.
Alessia Romani; Valentina Rognoli; Marinella Levi. Design, Materials, and Extrusion-Based Additive Manufacturing in Circular Economy Contexts: From Waste to New Products. Sustainability 2021, 13, 7269 .
AMA StyleAlessia Romani, Valentina Rognoli, Marinella Levi. Design, Materials, and Extrusion-Based Additive Manufacturing in Circular Economy Contexts: From Waste to New Products. Sustainability. 2021; 13 (13):7269.
Chicago/Turabian StyleAlessia Romani; Valentina Rognoli; Marinella Levi. 2021. "Design, Materials, and Extrusion-Based Additive Manufacturing in Circular Economy Contexts: From Waste to New Products." Sustainability 13, no. 13: 7269.
The use of materials derived from waste is one of the prominent ways to contribute to sustainable product design. However, there is a stark gap in literature concerning how people appraise such materials. In this paper, we present our initial attempts to understand the aesthetic appreciation of materials, in particular those derived from discarded raw materials, i.e., revived materials. Two studies were conducted for which we took the aesthetic principle unity-in-variety as the departure point. In the first study, we explored material appraisals by testing whether different visual and tactile qualities interrelate with each other in a similar or contradictory way. Based on these findings, two revived materials were modified and our main assumptions were further explored in Study 2. We outline our findings and show that the aesthetic appreciation of a material can be influenced by the (in)congruity between visual and tactile qualities of the material.
Elvin Karana; Valentina Rognoli. Revived Beauty: Research into Aesthetic Appreciation of Materials to Valorise Materials from Waste. Sustainability 2017, 9, 529 .
AMA StyleElvin Karana, Valentina Rognoli. Revived Beauty: Research into Aesthetic Appreciation of Materials to Valorise Materials from Waste. Sustainability. 2017; 9 (4):529.
Chicago/Turabian StyleElvin Karana; Valentina Rognoli. 2017. "Revived Beauty: Research into Aesthetic Appreciation of Materials to Valorise Materials from Waste." Sustainability 9, no. 4: 529.