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Tiffany Cheng @multimeso
Joined August 2024
  • Tweets 13
  • Following 8
  • Followers 4
11 Photos and videos
Our bodies are unique and constantly changing. 3D-/4D-printing can be used to personalize orthotic devices for different shapes and sizes, as well as passively adapt to changes in our bodies. #multifunctional #splint #surfaceTextures #shapeChange #variableStiffness
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This #4Dprinted personalized #orthosis provides adaptive fit and comfort by integrating soft/stiff surfaces, moisture-activated #shapechanging zones, and insertable components such as magnets and aligners into a highly #functional device for the #medical and #sports industries.
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The #Hybrid #AdditiveFabrication of wood actuators and #3Dprinted #Metamaterials can be utilized for the production of large-scale doubly curved #ShellStructures, as explored and demonstrated in the master's thesis project of Karen Antorveza, Laura Kiesewetter, and Eda Özdemir.
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The large-scale structures produced from this #hybrid #additive #fabrication process are programmed to transform their shapes in response to changes in ambient conditions. #4Dprinting #construction #automation
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Extrusion-based #3Dprinting enables a high resolution of detail in programming #metamaterial structures. By leveraging industrial robot platforms, 3D-printed meta-structures can be upscaled and tailored through a continuous, interwoven, and layer-by-layer extrusion trajectory.
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In transitioning from small-scale hobbyist 3D-printers to large-scale robot extrusion platforms, the correlation between #printingparameter and #mechanicalproperty is preserved. By modulating these #functionalpatterns, mechanical properties can be tuned in specific directions.
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Based on the interplay between their #hinge #geometry, #bilayer #structure, and #responsive #material, each #4Dprinted structure here computes its own #folded #shape by equalizing its moisture content to the surrounding #environmental conditions.
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The motion of #selfshaping materials can be amplified by #4Dprinting building blocks of #bilayers in greater assemblies, creating #mechanisms that autonomously expand (and contract) considerably in size and volume.
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Through the #design of its #mesostructure and by controlling the extrusion trajectory during #fusedFilamentFabrication, #4Dprinted material systems can be #programmed with custom shapes and #movements — enabling designs with new forms of #responsive, spatio-temporal behaviors.
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#FusedFilamentFabrication (the most common and affordable type of #AdditiveManufacturing) is well suited for structuring printed parts at the #mesoscale and mimicking the self-shaping behavior of plants — a process called #bioinspired #4Dprinting.
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I am excited to finally share the news of my appointment as #AssistantProfessor at the @CornellAAP Department of Design Tech! Until my relocation to the US from Germany in January 2025, I will be introducing my previous work upon which the #MULTIMESO Lab is based. Stay tuned…!
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Tiffany Cheng retweeted
Cornell AAP
@CornellAAP
20 Aug 2024
AAP is pleased to welcome new long-term faculty, and endowed visiting critics and fellows to Ithaca and New York City! Learn more about the new appointments: aap.cornell.edu/news-events/…
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