Liz Tsai

Liz Tsai

Dallas, Texas, United States
6K followers 500+ connections

About

I am the founder and CEO of HiOperator, a disruptive AI-augmented customer service…

Articles by Liz

Activity

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Experience

  • HiOperator Graphic
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    San Francisco

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    Singapore

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    Geneva Area, Switzerland

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    Geneva Area, Switzerland

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    Cambridge, MA

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    Cambridge, MA

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    Washington, DC

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    Boston, MA

Education

Publications

  • 4D Printing: Towards Biomimetic Additive Manufacturing

    Additive Manufacturing & 3D Printing International Conference

    Other authors
    • Neri Oxman
  • Freeform 3D Printing: toward a Sustainable Approach to Additive Manufacturing

    Green Design, Materials and Manufacturing Processes published by Taylor & Francis Green Design, Materials and Manufacturing Processes published by Taylor & Francis , ISBN: 978-1-138-00046-9

    Most additive manufacturing technologies, such as 3D printing, utilize support materials in the fabrication process. Beyond the technical challenges of support removal, these materials are wasteful – increasing fabrication and processing time while impacting quality. This paper presents “Freeform Printing”, a novel design approach for 3D printing without additional auxiliary structures. A 6-axis KUKA robotic arm is repurposed as a 3D printing platform onto which custom-designed thermoplastic…

    Most additive manufacturing technologies, such as 3D printing, utilize support materials in the fabrication process. Beyond the technical challenges of support removal, these materials are wasteful – increasing fabrication and processing time while impacting quality. This paper presents “Freeform Printing”, a novel design approach for 3D printing without additional auxiliary structures. A 6-axis KUKA robotic arm is repurposed as a 3D printing platform onto which custom-designed thermoplastic extruders are attached. We demonstrate freeform extrusion using a round nozzle attached to an active air-cooling unit, which solidifies the material upon extrusion. In addition, we present a method for printing geometrically complex structures using a multi-strand extrusion nozzle. The experiments presented in this paper, combined with their evaluation and analysis, provide proof-of-concept for Freeform Printing without support materials. They represent a sustainable approach to additive manufacturing and digital fabrication at large, and point towards new possible directions in sustainable manufacturing.

    Other authors
  • CNSILK: Spider-Silk Inspired Robotic Fabrication

    Proceedings of Rob-Arch 2012: Robotic Fabrication in Architecture, Art and Design

    Other authors
  • Digital anisotropy: A variable elasticity rapid prototyping platform

    Virtual and Physical Prototyping

    Other authors
    • Neri Oxman
    • Michel Firstenberg
  • Single entry tunneler [SET] for hemodialysis graft procedures

    Transactions of the ASME, Journal of Medical Devices

    Other authors
  • Functionally Graded Rapid Prototyping

    Proceedings of VRAP: Advanced Research in Virtual and Rapid Prototyping

    Other authors
    • Steven Keating
    • Neri Oxman

Honors & Awards

  • Winner of the MIT 100k Accelerate Competition

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  • IDEAS MIT Global Challenge Award

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  • James Dyson Award Runner Up

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  • Winner, Best Product Design, MIT Hacking Medicine Conference

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  • MIT Jeffrey L. Pressman Award

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  • MIT Alex Laats (1989) Undergraduate Research Award

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Languages

  • English

    Native or bilingual proficiency

  • Chinese

    Professional working proficiency

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