Leah Buechley’s research while affiliated with University of New Mexico and other places

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Publications (89)


Directions for Degradation: Multispecies Entanglements with 3D Printed Biomaterials
  • Conference Paper
  • Full-text available

October 2024

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16 Reads

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Leah Buechley
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Characteristics of Conductive Paints and Tapes for Interactive Murals

September 2024

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16 Reads

Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies

This paper analyzes a collection of conductive paints and tapes. We describe and compare their electrical conductivity, durability, appearance, and cost. We investigate different means of connecting these materials to each other and other electronic components-including connection via solder, conductive epoxy, conductive adhesives, and metal mechanical fasteners. We explore different means of insulating and protecting materials and provide the results of a range of durability tests. The results are discussed in the context of the development of interactive murals-large outdoor interactive surfaces that are intended to function for years. We identify two conductive paints, CuPro-Cote and Silver/Copper Super Shield, and two conductive tapes, Copper and Tin that are highly conductive, stable across most of our testing conditions and, we believe, suitable for interactive murals.



Figure 1 Process for making clay-dough materials: gathering ingredients, mixing ingredients, and measuring indentation hardness. We follow this process to prepare four clay-dough materials denoted by their percentage of clay: 100% clay, 75% clay, 50% clay, and 25% clay.
Figure 4 The graph shows freshly printed cylinders of each clay-dough material at 0% shrinkage rate and the same cylinders fired to cone 6 at their final shrinkage rate. Each clay-dough material shrinks a different amount which correlates to the amount of dough within the material. The calculated shrinkage rates are the average of five tested samples (N=5).
Figure 6 A floral earring printed with 25% clay once printed, dried, and glaze fired to cone 6. The fired ceramic earrings are significantly smaller and lighter than their initial printed design, however, they retain the same level of detail.
Designing 3D Printed Ceramics from a Clay with Tunable Shrinkage

Clay 3D printing is a rapidly growing hybrid craft practice in which physical ceramic artifacts are designed and fabricated with digital technologies. In this work, we bring attention to the material element of this hybrid practice by presenting a collection of 3D printable clay materials with tunable shrinkage called clay-dough. Clay-dough materials are made up of varying ratios of stoneware clay to bio-based dough. As we fire these materials in a kiln, the dough burns away, resulting in the remaining clay shrinking dramatically as it chemically transitions into a ceramic. We leverage our ability to control the shrinkage properties of clay-dough materials to design a collection of 3D-printed ceramic artifacts in which the form is determined by shrinkage. We then reflect on how human and machine can work in correspondence with clay-dough to drive the creation of ceramics; ultimately, calling for material-oriented design approaches in hybrid craft practices.


Figure 1. Teaching Human-Computer Interaction practitioners how to integrate biomaterials with interactive technologies: (left) designing with bacterial cellulose, (middle) brainstorming around foraged plants, (right) cooking algae and moss bioplastics.
Integrating Biomaterials and Interactive Technologies: The Growth of Biodesign within Human-Computer Interaction

June 2024

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74 Reads

Biodesign has grown significantly in the last decade, intersecting with other fields from fashion to material science to healthcare. Recently, biodesign has entangled with Human-Computer Interaction (HCI), a multidisciplinary field of research that focuses on the design and development of computational technologies that people interact with. Bridging the gap between digital and biological, new computational technologies have been developed to integrate with biomaterials (i.e., materials grown from biological matter). Such works range from biomaterials that are embedded with electronics like microcontrollers and/or transformed into electronic components themselves like biomaterial touch sensors for sustainable ubiquitous computing, to biomaterials that are designed specifically for digital fabrication methods like 3D printing to reduce non-renewable waste streams, to biomaterials that are alive to create naturally dynamic and reactive living interfaces that encourage respectful and caring interactions with technology and the natural world. As these three research areas grow within HCI, HCI practitioners have begun drawing knowledge and inspiration from ongoing efforts in biodesign, especially Do-It-Yourself methods for biomaterial development. To accommodate such work, the traditional HCI research lab has expanded to include biological wet lab spaces, microscopes, cooking equipment, and incubators. In combining these two fields, we have seen massive growth in the creation of new bio-digital technologies that not only push current understandings of computational interaction, but also promote more sustainable technological futures.




Shape-Changing Clay-Dough: Taking a Material-Oriented Approach to 3D Printing Ceramic Forms

May 2024

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87 Reads

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6 Citations

This paper presents clay-dough, a 3D printable ceramic material that is made from a mixture of stoneware clay and a biomaterial dough. While all clays shrink when they are fired at high temperatures, clay-dough enables more dramatic shrinkage due to the dough burning away. We developed three clay-dough recipes made from different ratios of clay-to-dough and characterized the properties of each recipe; ultimately correlating shrinkage, density, strength, and porosity to the amount of dough in the recipe. We then leveraged clay-dough’s shrinkage in our material-oriented approach to create ceramic forms, where form is dictated by the pattern we load the clay-dough materials in for 3D printing. To exemplify this approach, we built a design space around basic cylindrical forms that change shape during the firing process into more complex forms and explored a range of non-cylindrical applications. Lastly, we reflect on the limitations and opportunities for clay-dough and material-centered research.



Citations (67)


... Дослідниками [6] відзначено, що програмне забезпечення відіграє ключову роль у 3D-друку глини та інших матеріалів. Як і багато інших машин для цифрового виробництва, 3D-принтери для глини використовують .gcode ...

Reference:

CONTEMPORARY TRENDS IN CERAMIC PRODUCTION: CREATION OF ALUMINOSILICATE PRODUCTS USING 3D PRINTING AND THE IMPACT OF INNOVATIVE APPROACHES ON THE INDUSTRY
Demonstrating New Materials, Software, and Hardware from the Hand and Machine Lab

... Our project took place over two workshops. The first, held in spring 2022, introduced students to programming and electronics [9]. The second, held in the summer 2022, students designed and constructed the mural. ...

Interactive Murals: New Opportunities for Collaborative STEAM Learning

... However, as with many of these dichotomies, the boundary between (lack-of-) control is fuzzy. While 3D printing can result in "perfect", "controlled" prints, material inconsistencies, code blips, and machine hiccups can impart unique traces in objects, exemplifying other more-than-human agencies present in the process [5,12,13,20]. Similarly, multispecies engagements of degradation are often "unpredictable" and "messy", however, we as humans can potentially control these engagements by, for instance, pruning plants and spraying pesticides. ...

Shape-Changing Clay-Dough: Taking a Material-Oriented Approach to 3D Printing Ceramic Forms

... This work actively troubles the boundary between making versus unmaking [35,47,48]. Our speculations showcase recognizable versions of our initially printed objects as multispecies agents degrade them, however, there reaches a point in time where the objects are broken down entirely, no longer resembling a form (or function) that is recognizable to us as humans-leading us to ask, how does degradation blur the boundaries between (un)making these objects? ...

Sustainable Unmaking: Designing for Biodegradation, Decay, and Disassembly

... Digitally made objects are often associated with perfection and predictability. One of the greatest benefits of digital fabrication, and specifically 3D printing, is the precision and repeatability of making, which can allow humans to manufacture precise parts for biomedical or aerospace applications [1] or create precise replicas of mathematical equations in 3D space [20]. In contrast, making with biomaterials and living organisms is often imperfect and unpredictable [3,29]. ...

WeaveSlicer: Expanding the Range of Printable Geometries in Clay

... Beyond clay, other paste-like materials have been developed for DW printers including spent coffee grounds [1,24], olive pomace [3], mussel shells [18], mica [13], and cookie dough [20]. We extend this existing library of materials for DW printing by developing the following new materials: play-dough [8], clay-dough [4], bronze clay [7], glass paste, and eggshell paste. ...

CeraMetal: A New Approach to Low-Cost Metal 3D Printing with Bronze Clay

... Due to our focus on the relationship between biomaterial and multispecies agents (and lack of focus on human agents entangled in these scenarios), we acknowledge that our speculations come across as quite utopian. By leaving out other human-made objects and materials such as plastics, we intentionally amplify how human-made biomaterials that are already showing benefits to our planet [7] can lead to even more environmentally harmonious futures. The Sprouting Soil Structure examines degradation via plants as they slowly grow from a 3D printed architectural structure. ...

Making Biomaterials for Sustainable Tangible Interfaces

... In this study, we propose a promising approach that uses visual graphs equipped with a generative AI-powered conversational agent as a good starting point for informal learning. Our method of fine-tuning LLMs to extract useful knowledge points from the community and constructing a knowledge base can transfer to similar methods in other fields, such as learning UI layout design [46,53] or video editing [3]. Researchers can follow the workflow we detailed in Section 5 to generate learning materials. ...

LilyTiny in the Wild: Studying the Adoption of a Low-Cost Sewable Microcontroller for Computing Education

... While there are numerous artists that have engaged with 3D printing clay, a few notable practitioners include Piotr Wásinowski [113], Jolie Ngo [74], Bryan Czibesz [31], Unfold Studios [107], and Slip Rabbit Studios [93]. This natural combination of creative practice and digital fabrication with clay, also highlights the broader rise in collaborations between artists and HCI researchers with the advent of experimental art residences [34]; which is reflected in several recently published works that showcase the outcomes of collaborations between HCI researchers and ceramic artists [17,45,90,118]. Beyond clay 3D printing, we also recognize other ceramics research in HCI which has focused on developing hybrid fabrication methods for sculpting clay [36,87], software for slab-form pottery [54], glazing techniques [38,70,100,118], and critical insights into humans-technology relationships via ceramic objects [110,111]. ...

Towards Mutual Benefit: Reflecting on Artist Residencies as a Method for Collaboration in DIS
  • Citing Conference Paper
  • July 2023

... During the development of a biomaterial consisting of corn and wheat flour (dyed blue with food colorant) [10], we found a collapsed test print that was eaten by ants. While the external structure of the print was mostly intact, internal portions were eaten away, revealing unexpected patterns. ...

3D Printable Play-Dough: New Biodegradable Materials and Creative Possibilities for Digital Fabrication
  • Citing Conference Paper
  • April 2023