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CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	ecaade2020_049
id	ecaade2020_049
authors	Kretzer, Manuel and Mostafavi, Sina
year	2020
title	Robotic Fabrication with Bioplastic Materials - Digital design and robotic production of biodegradable objects
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 1, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 603-612
doi	https://doi.org/10.52842/conf.ecaade.2020.1.603
summary	Bioplastics are materials that are composed of renewable organic biomass sources and thus they are inherently biodegradable. On top of their ecological advantages to standard plastics they help to conserve fossil raw materials and the dependency on mineral oil. Recent advancements in digital design and robotic materialisation have introduced innovative methods for the realisation of complex geometries and direct experimentation through physical prototyping. Within this collaborative course between the Dessau Department of Design and the Dessau Institute of Architecture, we set out to explore the potentials of self-made bioplastic materials in combination with cutting-edge robotic fabrication in order to produce compostable products. Throughout the course the participants got acquainted with the fundamentals of parametric design to robotic production while performing systematic scientific experiments with bioplastics to develop the perfect material for robotic production. The paper presents a number of recipes on how to create bioplastics in a DIY manner. Moreover, the material research methodology, as well as robotic fabrication strategies behind each of the projects, are discussed in detail.
keywords	Bioplastic; Robotic 3D Printing; Digital Materiality; Material Architecture; Biomaterial; Material Ecology
series	eCAADe
email
last changed	2022/06/07 07:51

_id	acadia20_516
id	acadia20_516
authors	Aghaei Meibodi, Mania; Voltl, Christopher; Craney, Ryan
year	2020
title	Additive Thermoplastic Formwork for Freeform Concrete Columns
source	ACADIA 2020: Distributed Proximities / Volume I: Technical Papers [Proceedings of the 40th Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 978-0-578-95213-0]. Online and Global. 24-30 October 2020. edited by B. Slocum, V. Ago, S. Doyle, A. Marcus, M. Yablonina, and M. del Campo. 516-525.
doi	https://doi.org/10.52842/conf.acadia.2020.1.516
summary	The degree of geometric complexity a concrete element can assume is directly linked to our ability to fabricate its formwork. Additive manufacturing allows fabrication of freeform formwork and expands the design possibilities for concrete elements. In particular, fused deposition modeling (FDM) 3D printing of thermoplastic is a useful method of formwork fabrication due to the lightweight properties of the resulting formwork and the accessibility of FDM 3D printing technology. The research in this area is in early stages of development, including several existing efforts examining the 3D printing of a single material for formwork— including two medium-scale projects using PLA and PVA. However, the performance of 3D printed formwork and its geometric complexity varies, depending on the material used for 3D printing the formwork. To expand the existing research, this paper reviews the opportunities and challenges of using 3D printed thermoplastic formwork for fabricating custom concrete elements using multiple thermoplastic materials. This research cross-references and investigates PLA, PVA, PETG, and the combination of PLA-PVA as formwork material, through the design and fabrication of nonstandard structural concrete columns. The formwork was produced using robotic pellet extrusion and filament-based 3D printing. A series of case studies showcase the increased geometric freedom achievable in formwork when 3D printing with multiple materials. They investigate the potential variations in fabrication methods and their print characteristics when using different 3D printing technologies and printing materials. Additionally, the research compares speed, cost, geometric freedom, and surface resolution.
series	ACADIA
type	paper
email
last changed	2023/10/22 12:06

_id	sigradi2020_297
id	sigradi2020_297
authors	Arboleda Pardo, Juan Gabriel; García-Alvarado, Rodrigo; Martínez Rocamora, Alejandro
year	2020
title	BIM-modeling and programming of curved concrete walls for 3D-printed construction
source	SIGraDi 2020 [Proceedings of the 24th Conference of the Iberoamerican Society of Digital Graphics - ISSN: 2318-6968] Online Conference 18 - 20 November 2020, pp. 297-305
summary	This article presents the parametric design and modeling in BIM of curved walls for 3d-printed construction in concrete, seeking to manage the reduction of materials and construction execution times, and enhance its architectural expression. The process described here is structured in the following phases: (i) conceptual preliminary design exploration, defining formal parameters in Revit, (ii) parametric modeling with Dynamo and Revit, (iii) integration of structural validation and printing programming of the robotic arm, and examples of execution with 3D-printed construction.
keywords	BIM, Parametric programming, 3D-printed Construction, Curved wall, Digital fabrication
series	SIGraDi
email
last changed	2021/07/16 11:49

_id	caadria2020_412
id	caadria2020_412
authors	Capunaman, Ozguc Bertug
year	2020
title	CAM as a Tool for Creative Expression - Informing Digital Fabrication through Human Interaction
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 243-252
doi	https://doi.org/10.52842/conf.caadria.2020.1.243
summary	Contemporary digital design and fabrication tools often present deterministic and pre-programmed workflows. This limits the potential for developing a deeper understanding of materials within the process. This paper presents an interactive and adaptive design-fabrication workflow where the user can actively take turns in the fabrication process. The proposed experimental setup utilizes paste extrusion additive manufacturing in tandem with real-time control of an industrial robotic arm. By incorporating a computer-vision based feedback loop, it captures momentary changes in the fabricated artifact introduced by the users to inform the digital representation. Using the updated digital representation, the proposed system can offer simple design hypotheses for the user to evaluate and adapt future toolpaths accordingly. This paper presents the development of the experimental setup and delineates critical concepts and their motivation.
keywords	Computer-Aided Design (CAD) and Manufacturing (CAM); Human Computer Interaction; 3D Printing; Interactive Digital Fabrication; Robotic Fabrication
series	CAADRIA
email
last changed	2022/06/07 07:54

_id	caadria2020_082
id	caadria2020_082
authors	Cheng, Celine and Pelosi, Antony
year	2020
title	Connecting Timber Sheet Materials to Create a Self-Supporting Structure using Robotic Fabrication and Computational Tools
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 85-94
doi	https://doi.org/10.52842/conf.caadria.2020.1.085
summary	The research developed in this paper is the workflow to create a self-supporting structure from sheet materials using robotic fabrication and computational tools. This research focuses on timber sheet materials, as timber is a material that can be altered in a variety of ways. Japanese timber connections were a strong influence for this research, due to its prolonged lifespan and sustainable advantages. In the past, timber fabrication techniques have been limited due to design limitations. This research explored how current technology, specifically parametric software combined with robotic fabrication, can create timber connections to connect sheet materials at different angles. This method was utilised to repurpose the concept of sheet materials towards a complex structure, which adopted the idea of mass customisation over mass production. This can help reshape the future of architecture through the use of advancing technology and sustainable assembly techniques using timber to timber joints.
keywords	Architecture; Robotic Fabrication; Timber; Parametric Design
series	CAADRIA
email
last changed	2022/06/07 07:55

_id	sigradi2020_312
id	sigradi2020_312
authors	Farrokhsiar, Paniz; Gursoy, Benay
year	2020
title	Robotic Sketching: A Study on Robotic Clay 3D Printing
source	SIGraDi 2020 [Proceedings of the 24th Conference of the Iberoamerican Society of Digital Graphics - ISSN: 2318-6968] Online Conference 18 - 20 November 2020, pp. 312-319
summary	Digital fabrication tools are typically employed to materialize a fixed design. Design limits the choice of material; Natural material behavior may consider as flaws in the fabrication. What if these tools and material behaviors being used as sketching tools to generate new design ideas? In this paper, we present a workflow in which digital fabrication tools, specifically robotic arms, are used as sketching tools. It is called robotic sketching; The goal is to sketch with effects of fabrication settings on emerging behaviors of materials in first steps of design. We exemplify this workflow with a case on robotic clay 3D printing.
keywords	Digital fabrication, Sketching, Additive manufacturing, 3D printing with clay, Robotic
series	SIGraDi
email
last changed	2021/07/16 11:49

_id	caadria2020_375
id	caadria2020_375
authors	Kalo, Ammar, Tracy, Kenneth and Tam, Mark
year	2020
title	Robotic Sand Carving - Machining Techniques Derived from a Traditional Balinese Craft
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 2, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 443-452
doi	https://doi.org/10.52842/conf.caadria.2020.2.443
summary	This paper presents research aimed at translating Ukiran Pasir Melela, traditional Balinese sand carving, into a new robotic-enabled framework for rapidly carving stiff but uncured cement sand blocks to create free-form and architecturally scalable unique volumetric elements. The research aims to reconsider vernacular materials and craft through their integration robotic manufacturing processes and how this activity can provide localized, low energy manufacturing solutions for building in the Anthropocene.Balinese sand carving shows potential advantages over current, and rather environmentally damaging, machining process primarily using soft materials state to make deep, smooth cuts into material with little torque. Transferring this manual and low-impact craft to robotic-enabled fabrication leverages heuristic knowledge developed over decades and opens possibilities for expanding and transforming these capabilities to increase the variability of potential future applications.
keywords	Robotic Fabrication; Computational Design; Traditional Craft
series	CAADRIA
email
last changed	2022/06/07 07:52

_id	ecaade2020_195
id	ecaade2020_195
authors	Kay, Raphael, Nitiema, Kevin and Correa, David
year	2020
title	The Bio-inspired Design of a Self-propelling Robot Driven by Changes in Humidity
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 2, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 233-242
doi	https://doi.org/10.52842/conf.ecaade.2020.2.233
summary	Plants use highly reliable nastic movement through the oriented hygroscopic swelling of tissue to autonomously respond to external stimuli. Buildings, on the other hand, use highly unreliable kinematic mechanisms with multiple failure-prone components that are dependent on electromechanical input. Literature describing stimulus-responsive shape-changing actuators focuses primarily on single-stage reversible movements, and therefore provides limited insights into the methodologies needed to achieve directed multistage locomotion. Here we describe a methodology to develop a self-propelling and programmable robot (Hygrobot) capable of flexible locomotion with the cyclic introduction and removal of moisture. Several multi-layer mechanisms were programmed to actuate sequentially with changes in moisture, in a choreographed manner, to generate locomotion. We expect that this approach can advance interest into hygroscopic self-propelled mechanisms, as well as foster further research into the development of more complex kinematic mechanisms, requiring articulated and multi-stage actuation, for direct architectural or robotic implementation.
keywords	Bio-inspired; shape-changing; programmable materials; robotic locomotion
series	eCAADe
email
last changed	2022/06/07 07:52

_id	cdrf2019_290
id	cdrf2019_290
authors	Mary Spyropoulos and Alisa Andrasek
year	2020
title	Material Disruption
source	Proceedings of the 2020 DigitalFUTURES The 2nd International Conference on Computational Design and Robotic Fabrication (CDRF 2020)
doi	https://doi.org/https://doi.org/10.1007/978-981-33-4400-6_27
summary	This paper examines the role of computational simulation of material processes with robotics fabrication, with the intent of examining its implications for architectural design and construction. Simulation techniques have been adopted in the automotive industry amongst others, advancing their design and manufacturing outputs. At present, architecture is yet to explore the full potential of this technology and their techniques. The need for simulation is evident in exploring the behaviours of materials and their relative properties. Currently, there is a distinct disconnect between the virtual model and its fabricated counterpart. Through research in simulation, we can begin to understand and clearly visualize the relationship between material behaviours and properties that can lead to a closer correlation between the digital design and its fabricated outcome. As the first phase of investigation, the material of clay is used due to its volatile qualities embedded within the material behaviour. The input geometry is constrained to rudimentary extruded forms in order to not obscure the behaviour of the material, but rather allow for it to drive the machine-making process.
series	cdrf
email
last changed	2022/09/29 07:51

_id	ijac202018206
id	ijac202018206
authors	Mitterberger, Daniela and Tiziano Derme
year	2020
title	Digital soil: Robotically 3D-printed granular bio-composites
source	International Journal of Architectural Computing vol. 18 - no. 2, 194-211
summary	Organic granular materials offer a valid alternative for non-biodegradable composites widely adopted in building construction and digital fabrication. Despite the need to find alternatives to fuel-based solutions, current material research in architecture mostly supports strategies that favour predictable, durable and homogeneous solutions. Materials such as soil, due to their physical properties and volatile nature, present new challenges and potentials to change the way we manufacture, built and integrate material systems and environmental factors into the design process. This article proposes a novel fabrication framework that combines high-resolution three-dimensional- printed biodegradable materials with a novel robotic-additive manufacturing process for soil structures. Furthermore, the research reflects on concepts such as affordance and tolerance within the field of digital fabrication, especially in regards to bio-materials and robotic fabrication. Soil as a building material has a long tradition. New developments in earth construction show how earthen buildings can create novel, adaptive and sustainable structures. Nevertheless, existing large-scale earthen construction methods can only produce highly simplified shapes with rough geometrical articulations. This research proposes to use a robotic binder-jetting process that creates novel organic bio-composites to overcome such limitations of common earth constructions. In addition, this article shows how biological polymers, such as polysaccharides-based hydrogels, can be used as sustainable, biodegradable binding agents for soil aggregates. This article is divided into four main sections: architecture and affordance; tolerance versus precision; water-based binders; and robotic fabrication parameters. Digital Soil envisions a shift in the design practice and digital fabrication that builds on methods for tolerance handling. In this context, material and geometrical properties such as material porosity, hydraulic conductivity and natural evaporation rate affect the architectural resolution, introducing a design process driven by matter. Digital Soil shows the potential of a fully reversible biodegradable manufacturing process for load-bearing architectural elements, opening up new fields of application for sustainable material systems that can enhance the ecological potential of architectural construction.
keywords	Robotic fabrication, adaptive materials, water-based fabrication, affordance, organic matter, additive manufacturing
series	journal
email
last changed	2020/11/02 13:34

_id	acadia20_446
id	acadia20_446
authors	Norell, Daniel; Rodhe, Einar; Hedlund, Karin
year	2020
title	Completions
source	ACADIA 2020: Distributed Proximities / Volume I: Technical Papers [Proceedings of the 40th Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 978-0-578-95213-0]. Online and Global. 24-30 October 2020. edited by B. Slocum, V. Ago, S. Doyle, A. Marcus, M. Yablonina, and M. del Campo. 446-455.
doi	https://doi.org/10.52842/conf.acadia.2020.1.446
summary	Reuse of construction and demolition waste tends to be exceptional rather than systemic, despite the fact that such waste exists in excess. One of the challenges in handling used elements and materials is integrating them into a digital workflow through means of survey and representation. Techniques such as 3D scanning and robotic fabrication have been used to target irregular geometries of such extant material. Scanning can be applied to digitally define a unique rather than standard stock of materials or, as in the field of preservation, to transfer specific forms and qualities onto a new stock. This paper melds these two approaches through Completions, a project that promotes reuse by integrating salvaged elements and materials into new assemblies. Drawing from the ancient practice of reuse known as spolia, the work develops from the identification and documentation of a varied set of used entities that become points of departure for subsequent design and production of new entities. This involves multiple steps, from locating and selecting used elements to scanning and fabrication. Three assemblies based on salvaged objects are produced: a window frame, a door panel, and a mantelpiece. Different means of documentation are outlined in relation to specific qualities of these objects, from photogrammetry to image and mesh-based tracing. Authentic qualities belonging to these elements, such as wear and patina, are coupled with more ambiguous forms and materialities only attainable through digital survey and fabrication. Finally, Completions speculates on how more automated workflows might make it feasible to develop extensive virtual catalogs of used objects that designers could interact with remotely.
series	ACADIA
type	paper
email
last changed	2023/10/22 12:06

_id	cdrf2019_255
id	cdrf2019_255
authors	Qian Wan, Li Wang, and Guowei Ma
year	2020
title	Adaptable Tool-Path Planning Method for 3D Concrete Printing Based on the Mapping Method
source	Proceedings of the 2020 DigitalFUTURES The 2nd International Conference on Computational Design and Robotic Fabrication (CDRF 2020)
doi	https://doi.org/https://doi.org/10.1007/978-981-33-4400-6_24
summary	3D concrete printing (3DCP) has been successfully and widely applied in the fields of civil structure, infrastructure, architectural decoration etc.,due to its unique advantages of automation and flexibility, and has shown great potential for development. One of the key steps in the execution of 3DCP is the toolpath planning process. However, 3DCP typically utilize the flowable composite materials which changes with time, and it is easy to induce interface joints or filling defects due to uneven path distribution when constructing the irregularshaped construction. To solve the problem of printing path planning in 3DCP, this paper proposes tool-path planning based on mapping method, which integrates the rheology and necessary continuity of concrete materials into the printing process parameters, improves the mutual adaptability of printing process and material characteristics, improves the continuity of printing, the compactness of filling, and then ensures the stability and durability of printing structure.
series	cdrf
email
last changed	2022/09/29 07:51

_id	ecaade2020_335
id	ecaade2020_335
authors	Rezaeicherati, Amirhossein and Mahdavinejad, Mohammadjavad
year	2020
title	SoRo Responsive Wall - Soft robotics for human-oriented architecture
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 2, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 623-630
doi	https://doi.org/10.52842/conf.ecaade.2020.2.623
summary	Designing and making an interactive architecture that is able to respond to the environment and human behavior generally requires a variety of mechanical and electronic devices, different kinds of joints and components, and sometimes dangerous equipment that may harm users. They mostly consist of rigid materials which usually need to be covered or modified to be more appealing and pleasant. What if the structure itself feels comfortable and friendly, and moves gently in order to create a bonding with people? In this research, we propose a soft architecture that can interact and respond using soft robotics principles. We have designed a human-friendly soft robotic wall, that can function as a shelter in urban spaces and changes its form by human presence. Utilizing pneumatic actuation along with soft materials using simple mechanisms results in a safe and soft architecture. Through several prototypes within which the movement of the module is studied and analyzed, we used cloth and air balloons instead of silicon in the 1:15 model to create an inexpensive module that is feasible on a 1:1 scale.
keywords	Soft Robotics; Responsive Architecture; Interactive Architecture; Human-Oriented; Soft Architecture
series	eCAADe
email
last changed	2022/06/07 07:56

_id	caadria2020_230
id	caadria2020_230
authors	Shaked, Tom, Bar-Sinai, Karen Lee and Sprecher, Aaron
year	2020
title	Autonomous in Craft - Embedding Human Sensibility in Architectural Robotic Fabrication
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 2, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 243-252
doi	https://doi.org/10.52842/conf.caadria.2020.2.243
summary	Recent advancements in robotics allow architects to explore the coupling of manual craft with digital tools. However, current methods remain limited in addressing high-skill, custom tasks involving material uncertainty. In this context, the paper presents three capacities that stand at the core of performing autonomous robotic craft. These include documenting the movements and gestures of local stone craftsmen; augmenting the robotic system with a custom end effector and a sensor toolkit; and enhancing the fabrication process through a protocol that translates the documented data to an autonomous process. The three capacities aid in preserving local crafts, expanding robotic tools with new capabilities, and enabling architectural fabrication with a broader range of materials.
keywords	Robotic fabrication; simulation; feedback-based automated manufacturing; digital craft; stone carving
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	acadia20_614
id	acadia20_614
authors	Xi Han, Isla; P.G. Bruun, Edvard; Marsh, Stuart; Tavano, Matteo; Adriaessens, Sigrid; Parascho, Stefana
year	2020
title	From Concept to Construction - A Transferable Design and Robotic Fabrication Method for a Building-Scale Vault
source	ACADIA 2020: Distributed Proximities / Volume I: Technical Papers [Proceedings of the 40th Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 978-0-578-95213-0]. Online and Global. 24-30 October 2020. edited by B. Slocum, V. Ago, S. Doyle, A. Marcus, M. Yablonina, and M. del Campo. 614-623.
doi	https://doi.org/10.52842/conf.acadia.2020.1.614
summary	The LightVault project demonstrates a novel robotic construction method for masonry vaults, developed in a joint effort between Princeton University and the global architecture and engineering firm Skidmore, Owings & Merrill (SOM). Using two cooperating robotic arms, a full-scale vault (plan: 3.6 × 6.5 m, height: 2.2 m) made up of 338 glass bricks was built live at the “Anatomy of Structure: The Future of Art + Architecture” exhibition. A major component of the project was developing a fabrication method that could be easily adapted to different robotic setups since the research, prototyping, and final exhibition occurred on different continents. This called for approaches that balanced the generic and the specific, allowing for quick and flexible construction staging and execution. The paper is structured as follows. First, we introduce the notion of transferability in robotic construction and then elaborate on this concept through the four major challenges in the LightVault project development: (1) prototype scalability, (2) end-effector design, (3) path planning and sequencing, and (4) fabrication tolerances. To develop and test solutions for these challenges, we iterated through several prototypes at multiple scales, with different materials for the standardized bricks, and at three distinct locations: Embodied Computation Lab, Princeton, US; Global Robots Ltd., Bedford, UK; and Ambika P3 gallery, London, UK. While this paper is specifically tailored to the construction of masonry structures, our long-term goal is to enable more robotic fabrication projects that consider the topic of transferability as a means to develop more robust and broadly applicable techniques.
series	ACADIA
type	normal paper
email
last changed	2024/03/11 06:44

_id	artificial_intellicence2019_295
id	artificial_intellicence2019_295
authors	Xiang Wang, Kam-Ming Mark Tam, Alexandre Beaudouin-Mackay,Benjamin Hoyle, Molly Mason, Zhe Guo, Weizhe Gao, Ce Li, Weiran Zhu,Zain Karsan, Gene Ting-Chun Kao, Liming Zhang, Hua Chai, Philip F. Yuan, and Philippe Block
year	2020
title	3d-Printed Bending-Active Formwork for Shell Structures
source	Architectural Intelligence Selected Papers from the 1st International Conference on Computational Design and Robotic Fabrication (CDRF 2026)
doi	https://doi.org/https://doi.org/10.1007/978-981-15-6568-7_18
summary	This paper presents a novel building technique for the formwork of thin shell structures with 3d-printed bending-active mesh sheets. To enhance the structural stiffness of the flexible plastic materials, bending-active form is applied to utilize the geometry stiffening effect through the large deformation of bending. As it is the main problem to determine the final geometry of the bent surface, design methods with consideration of the numerical simulation is researched and both simulations via dynamic relaxation and finite element method are presented. Several demonstrator pavilions and the building process are shown to test the feasibilities of the presented building techniques in the real shell project. It is expected that this method could be applied into more thin shell projects to realize an efficient building technology with less exhaust of materials.
series	Architectural Intelligence
email
last changed	2022/09/29 07:28

_id	ecaade2020_298
id	ecaade2020_298
authors	Zhang, Ye, Zhang, Kun, Chen, KaiDi and Xu, Zhen
year	2020
title	Source Material Oriented Computational Design and Robotic Construction
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 2, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 443-452
doi	https://doi.org/10.52842/conf.ecaade.2020.2.443
summary	The disconnection between architectural form and materiality has become an important issue in recent years. Architectural form is mainly decided by the designer, while material data, for example, the natural shape of source materials, is often treated as an afterthought which doesn't factor in decision-making directly. This study proposes a new, real-time scanning-modeling system for obtaining material information, and incorporating the data into a continuous digital chain of computational design and robotic construction. After collecting and visualizing the data, the calculation portion of the chain processes the selection of source materials and generates architectural geometry based on both human-designed rules and various shapes of materials. Finally, at the action end of the chain, an industry robot is used to fabricate the design. End-effector is designed for tightly gripping the irregular source materials. Scripts is written in Grasshopper for positioning the components and assemble them into configurations. This study also shows a pavilion developing with the continuous digital chain
keywords	scanning-modeling system; source material information; computational design; robotic construction
series	eCAADe
email
last changed	2022/06/07 07:57

_id	ijac202018304
id	ijac202018304
authors	Aagaard, Anders Kruse and Niels Martin Larsen
year	2020
title	Developing a fabrication workflow for irregular sawlogs
source	International Journal of Architectural Computing vol. 18 - no. 3, 270-283
summary	In this article, we suggest using contemporary manufacturing technologies to integrate material properties with architectural design tools, revealing new possibilities for the use of wood in architecture. Through an investigative approach, material capacities and fabrication methods are explored and combined towards establishing new workflows and architectural expressions, where material, fabrication and result are closely interlinked. The experimentation revolves around discarded, crooked oak logs, doomed to be used as firewood due to their irregularity. This project treats their diverging shapes differently by offering unique processing to each log informed by its particularities. We suggest here a way to use the natural forms and properties of sawlogs to generate new structures and spatial conditions. In this article, we discuss the scope of this approach and provide an example of a workflow for handling the discrete shapes of natural sawlogs in a system that involve the collection of material, scanning/digitisation, handling of a stockpile, computer analysis, design and robotic manufacturing. The creation of this specific method comes from a combination of investigation of wood as a material, review of existing research in the field, studies of the production lines in the current wood industry and experimentation through our in-house laboratory facilities. As such, the workflow features several solutions for handling the complex and different shapes and data of natural wood logs in a highly digitised machining and fabrication environment. This up-cycling of discarded wood supply establishes a non-standard workflow that utilises non-standard material stock and leads to a critical articulation of today’s linear material economy. The project becomes part of an ambition to reach sustainable development goals and technological innovation in global and resource-intensive architecture and building industry.
keywords	Natural wood, robotic fabrication, computation, fabrication, research by design
series	journal
email
last changed	2020/11/02 13:34

_id	sigradi2020_953
id	sigradi2020_953
authors	Abdallah, Yomna K.; Estevez, Alberto T.
year	2020
title	Methodology of Implementing Transformative Bioactive Hybrids in Built Environment to Achieve Sustainability
source	SIGraDi 2020 [Proceedings of the 24th Conference of the Iberoamerican Society of Digital Graphics - ISSN: 2318-6968] Online Conference 18 - 20 November 2020, pp. 953-961
summary	Discrete responsive systems lack functional autonomous transformation, in response to environmental conditions and users' demands; due to shortage in direct integration of biological intelligence. Bioactive hybrids are sufficient solutions as they perform independente self-replication, differentiation of cellular structure, active metabolism, spatial propagation, adaptation, transformation, and morphogenesis. In this paper, a methodology is proposed for the design, fabrication and implementation of these hybrids in the built environment; highlighting their sustainability potentials, by merging synthetic biology, bioengineering and bioprinting, to achieve multiscale active responsiveness. The current work is part of research in biosynthesizing fibroblasts as transformative material in architectural sustainability.
keywords	Transformative hybrids, Biodigital, Bioprinting, Robotic materials, Bioengineered systems
series	SIGraDi
email
last changed	2021/07/16 11:53

_id	cdrf2019_46
id	cdrf2019_46
authors	Adam Chernick, Christopher Morse, Steve London, Tim Li, David Ménard, John Cerone, and Gregg Pasquarelli
year	2020
title	On-Site BIM-Enabled Augmented Reality for Construction
source	Proceedings of the 2020 DigitalFUTURES The 2nd International Conference on Computational Design and Robotic Fabrication (CDRF 2020)
doi	https://doi.org/https://doi.org/10.1007/978-981-33-4400-6_5
summary	We describe a prototype system for communicating building information and models directly to on-site general contractors and subcontractors. The system, developed by SHoP Architects, consists of a workflow of pre-processing information within Revit, post-processing information outside of Revit, combining data flows inside of a custom application built on top of Unity Reflect, and delivering the information through a mobile application on site with an intuitive user interface. This system incorporates augmented reality in combination with a dashboard of documentation views categorized by building element.
series	cdrf
email
last changed	2022/09/29 07:51

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