Fabricating Interactions
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Recently Accepted Papers
Sed Do Eiusmod Tempor Incididunt: Ut Labore et Dolore Magna Aliqua.
In Proceedings of UIST '26. [* equal contribution]
Ullamco Laboris Nisi Ut Aliquip: Ex Ea Commodo Consequat.
In Proceedings of CHI '26. [Best Paper Award]
Research Projects
Objects with Interactive Appearances
We investigate what interactions become possible when physical objects are able to change their appearance. We develop computational fabrication techniques that create appearance-changing objects using photochromic dyes that can create multi-color textures that are reprogrammable on-demand; high-resolution multi-color 3D printing to fabricate lenticular lenses across an object’s surface to enable viewpoint-based appearance changes; birefringent materials that creates rotation-based appearance changes via polarized light mosaics; and optical illusions to create animated physical photographs.
Photo-Chromeleon
(ACM UIST 2019, Best Paper Award)
Lenticular Objects
(ACM UIST 2021)
Polagons
(ACM CHI 2023)
KineCam
(ACM SIGGRAPH 2022 Art Paper)
ChromoUpdate
(ACM CHI 2021)
Augmenting Generative AI to Create Physically Functional Objects
Current Generative AI methods allow users to generate or manipulate 3D models based on text prompts provided by the user. While these methods produce visually compelling 3D models, the models are not physically functional post-fabrication, for instance, they might be fragile and break. In our lab, we are augmenting Generative AI models with the ability to also consider physical properties when generating 3D models, such as making sure models are structurally sound.
Fabricating Actuators
Designing and fabricating actuators with integrated sensing, such as required to manufacture robots in a single pass, is still challenging. We address this by developing new 3D printable actuators with integrated sensing.
Embedding Sensing into Objects
Capturing interactions where they occur on an object can be challenging for curved, deformable, and moving object geometries. We develop fabrication techniques that integrate sensing with moving parts such as mechanisms where sensors and wires can interfere with the object function, deformable objects where sensors are difficult to adhere, and large-scale objects where current sensors are not able to capture the interaction wholistically.
Tracking Interactions via Markers
To keep objects passive while still being able to track interactions with them, we explore fabrication techniques that create invisible markers from infrared-translucent filament that can be tracked with IR cameras, create identifiable surface features based on artifacts of slicing and 3D printing that can be tracked with regular cameras, leverage existing surface features of materials via speckle imaging with a lens-less image sensor, or use magnetic pixels that can be read using hall effect sensors and viewed under magnetic viewing film.