Biohybrid Devices: Prototyping Interactive Devices with Growable Materials Abstract Living bio-materials are increasingly used in HCI for fabricating objects by growing. However, how to integrate electronics to make these objects interactive still needs to be clarified. This paper presents an exploration of the fabrication design space of Biohybrid Interactive Devices, a class of interactive devices fabricated by merging electronic components and living organisms. From the […]
Handheld Tools Unleashed A Mixed-Initiative Physical Sketching with a Robotic Printer Abstract Personal fabrication has mostly focused on handheld tools as embodied extensions of the user, and machines like laser cutters and 3D printers automating parts of the process without intervention. Although interactive digital fabrication has been explored as a middle ground, existing systems have a fixed allocation of user intervention vs. machine autonomy, limiting […]
SparseIMU: Computational Design of Sparse IMU Layouts for Sensing Fine-Grained Finger Microgestures Abstract Gestural interaction with freehands and while grasping an everyday object enables always-available input. To sense such gestures, minimal instrumentation of the user’s hand is desirable. However, the choice of an effective but minimal IMU layout remains challenging, due to the complexity of the multi-factorial space that comprises diverse finger gestures, objects and […]
Interactive Bioplastics A DIY approach for composing soft interactive devices from bio-based and bio-degradable materials. Abstract Designers and makers are increasingly interested in leveraging bio-based and bio-degradable “do-it-yourself” (DIY) materials for sustainable prototyping. Their self-produced bioplastics possess compelling properties such as self-adhesion but have so far not been functionalized to create soft interactive devices, due to a lack of DIY techniques for the fabrication of […]
Print-A-Sketch A Handheld Printer for Physical Sketching of Circuits and Sensors on Everyday Surfaces We present Print-A-Sketch, an open-source handheld printer prototype for sketching circuits and sensors. Print-A-Sketch combines desirable properties from free-hand sketching and functional electronic printing. Manual human control of large strokes is augmented with computer control of fine detail. Shared control of Print-A-Sketch supports sketching interactive interfaces on everyday objects – including […]
PolySense Augmenting Textiles with Electrical Functionality using In-Situ Polymerization We present a method for enabling arbitrary textiles to sense pressure and deformation: In-situ polymerization supports the integration of piezo-resistive properties at the material level, preserving a textile’s haptic and mechanical characteristics. We demonstrate how to enhance a wide set of fabrics and yarns using only readily available tools. To further support customization by the designer, […]
Rapid Iron-On User Interfaces Hands-on Fabrication of Interactive Textile Prototypes Rapid prototyping of interactive textiles is still challenging, since manual skills, several processing steps, and expert knowledge are involved. We present Rapid Iron-On User Interfaces, a novel fabrication approach for empowering designers and makers to enhance fabrics with interactive functionalities. It builds on heat-activated adhesive materials consisting of smart textiles and printed electronics, which can […]
Soft Inkjet Circuits Rapid Multi-Material Fabrication of Soft Circuits Using a Commodity Inkjet Printer Despite the increasing popularity of soft interactive devices, their fabrication remains complex and time consuming. We contribute a process for rapid do-it-yourself fabrication of soft circuits using a conventional desktop inkjet printer. It supports inkjet printing of circuits that are stretchable,ultra-thin,high resolution, and integrated with a wide variety of materials used […]
Tactlets Adding Tactile Feedback to 3D Objects Using Custom Printed Controls Rapid prototyping of haptic output on 3D objects promises to enable a more widespread use of the tactile channel for ubiquitous, tangible, and wearable computing. Existing prototyping approaches, however, have limited tactile output capabilities, require advanced skills for design and fabrication, or are incompatible with curved object geometries. In this paper, we present a […]
Multi-Touch Kit A Do-It-Yourself Technique for Capacitive Multi-Touch Sensing Using a Commodity Microcontroller Mutual capacitance-based multi-touch sensing is now a ubiquitous and high-fidelity input technology. However, due to the complexity of electrical and signal processing requirements, it remains very challenging to create interface prototypes with custom-designed multi-touch input surfaces. In this paper, we introduce the Multi-Touch Kit, a technique enabling electronics novices to rapidly prototype […]
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