Gemini: Engaging Experiential and Feature Scales Through Multimaterial Digital Design and Hybrid Additive–Subtractive Fabrication

Gemini is a chaise lounge constructed using hybrid fabrication involving 3D printing of a textured polymeric skin combined with CNC milling of a wooden chassis. The texture of the chaise was inspired by the seed geometry of the Ornithogalum dubium flower and designed using a computational implementation of an inhomogeneous Poisson process. The 3D-printed texture was informed by the weight distribution of a person with the goal of delivering structural support and comfort on the one hand and maximizing the absorption of sound emanating from exterior sources of noise on the other. Gemini is the first functional object produced using the Stratasys Objet500 Connex3 color multimaterial 3D printer including the Tango+ soft material. It represents one of the first cases of a hybrid additive–subtractive manufacturing approach, which combines the strength of both of these techniques

Symmetry and its application in metal additive manufacturing (MAM)

Additive manufacturing (AM) is proving to be a promising new and economical technique for the manufacture of metal parts. This technique basically consists of depositing material in a more or less precise way until a solid is built. This stage of material deposition allows the acquisition of a part with a quasi-final geometry (considered a Near Net Shape process) with a very high raw material utilization rate. There is a wide variety of different manufacturing techniques for the production of components in metallic materials. Although significant research work has been carried out in recent years, resulting in the wide dissemination of results and presentation of reviews on the subject, this paper seeks to cover the applications of symmetry, and its techniques and principles, to the additive manufacturing of metals.The authors are grateful to the Basque Government for funding the EDISON project, ELKARTEK 2022 (KK-2022/00070)

The Role of Digital Infrastructure for the Industrialisation of Design for Additive Manufacturing

The use of Additive Manufacturing (AM) can bring opportunities for industry, but several challenges need to be addressed, specifically the digital infrastructure comprising the AM value chain. A combination of a systematic literature review and an industrial use case study concludes that there is low consideration of the digital infrastructure in Design for Additive Manufacturing (DfAM) methods and tools which has a negative impact on the industrialisation of AM. It is therefore recommended that further studies are to be made on how to manage the digital infrastructure in DfAM processes

Making data matter: Voxel printing for the digital fabrication of data across scales and domains

We present a multimaterial voxel-printing method that enables the physical visualization of data sets commonly associated with scientific imaging. Leveraging voxel-based control of multimaterial three-dimensional (3D) printing, our method enables additive manufacturing of discontinuous data types such as point cloud data, curve and graph data, image-based data, and volumetric data. By converting data sets into dithered material deposition descriptions, through modifications to rasterization processes, we demonstrate that data sets frequently visualized on screen can be converted into physical, materially heterogeneous objects. Our approach alleviates the need to postprocess data sets to boundary representations, preventing alteration of data and loss of information in the produced physicalizations. Therefore, it bridges the gap between digital information representation and physical material composition. We evaluate the visual characteristics and features of our method, assess its relevance and applicability in the production of physical visualizations, and detail the conversion of data sets for multimaterial 3D printing. We conclude with exemplary 3D-printed data sets produced by our method pointing toward potential applications across scales, disciplines, and problem domains

Sub Sequence : building a participatory infrastructure

What might it look like to make the nebulous quality of air pollution visible? There is a lack of infrastructure that has been constructed in response to the contaminants produced from the Port of Providence in Rhode Island. Air quality surrounding the Port is impacted by air pollution from legacy industrial sites – diesel trucks, marine vessels, oil and gas storage and distribution, asphalt and cement processing, metals recycling, natural gas and utility services, and large heating plants. The thesis sets out to investigate, question, and iterate upon the possibilities of collective environmental action and accessible information through an individual’s sensing practice. The work aims to redefine the sensing practice in daily routine and map the contamination zones of their community. Simultaneously, the thesis is testing how making these ecosystems legible to the observer may result in a shift in one’s perception about one’s environment, generate participatory infrastructures, and, ultimately, cultivate a deeper connection to one’s communit

Proceedings of the 2021 DigitalFUTURES

This open access book is a compilation of selected papers from 2021 DigitalFUTURES—The 3rd International Conference on Computational Design and Robotic Fabrication (CDRF 2021). The work focuses on novel techniques for computational design and robotic fabrication. The contents make valuable contributions to academic researchers, designers, and engineers in the industry. As well, readers encounter new ideas about understanding material intelligence in architecture

Digital Craft | In Search of a Method of Personal Expression Within the Digital

Our relationship with the digital has fundamentally changed within the past decade. A mesh of outside interests have been efficiently folding themselves into our lives. These exist as either a legion of hosted “free” web services touting the promise of a new-found collective intimacy, or a set of tightly coupled IOT(Internet of Things) applications that are slowly being pulled away from our fully capable hardware—all causing us to rely heavily on a virtual infrastructure that demands to host our work and place us at arm’s length of tools that we no longer own or control. This new bargain includes a view into our work and habits so that we can be better understood, tokenized, categorized, mapped, and finally monetized. While many today may be OK with this relationship, I’ll be frank, it unsettles me. I believe something fundamental is lost in this unravelling long-distance relationship. This thesis is a response. It pushes for a more intimate connection with technology within the backdrop of digital design and its many processes. In The Craftsman, Richard Sennett writes: “Making is Thinking,” and in his text he explores the close relationship between head and hand for a small set of traditional craftsmen: a cook, a musician and a glass blower. To elevate the digital within today’s architectural practice, I feel its use must also be seen as craft. But how might a relationship between head and hand manifest itself? Is there some similarity in thinking between Sennett’s craftsmen and the processes of successful digital design? I propose to investigate the mechanisms of digital Making, and hence digital Thinking through three design problems, inspired by the works of Neri Oxman, deskriptiv, Michael Hansmeyer, as well as the methods of D’Arcy Thompson, Shinichi Maruyama, Pina Bausch, and Frei Otto. By mindfully observing my exploration of these from a digital perspective, I believe it will be possible to get a sense of what makes craft possible within this realm

Repte de disseny artesanal a partir de les noves oportunitats basades en geometria generativa

El ràpid desenvolupament de la fabricació additiva obre noves portes i oportunitats a l'enginyeria de producte, permetent explorar alternatives i metodologies basades en el disseny assistit per ordinador, amb geometries generatives i superfícies parametritzades. En el projecte es busca aprofitar aquestes noves oportunitats, a través del disseny d'un servei que focalitza les seves acccions en mantenir una educació de l'usuari constant. A través del disseny de complements i la fabricació per addició, es crearà una comunitat de ciutadans conscientats dels problemes socials, i amb valors ètics i mediambientals. L'enginyeria i el disseny de producte aniràn fluctuant i complementant-se al llarg de tot el projecte, acabant amb un model de negoci que presenta uns prototips viables i llestos per lluir

Untangling hotel industry’s inefficiency: An SFA approach applied to a renowned Portuguese hotel chain

The present paper explores the technical efficiency of four hotels from Teixeira Duarte Group - a renowned Portuguese hotel chain. An efficiency ranking is established from these four hotel units located in Portugal using Stochastic Frontier Analysis. This methodology allows to discriminate between measurement error and systematic inefficiencies in the estimation process enabling to investigate the main inefficiency causes. Several suggestions concerning efficiency improvement are undertaken for each hotel studied.info:eu-repo/semantics/publishedVersio