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High-resolution tomographic volumetric additive manufacturing

Author

Listed:
  • Damien Loterie

    (Ecole Polytechnique Fédérale de Lausanne)

  • Paul Delrot

    (Ecole Polytechnique Fédérale de Lausanne)

  • Christophe Moser

    (Ecole Polytechnique Fédérale de Lausanne)

Abstract

In tomographic volumetric additive manufacturing, an entire three-dimensional object is simultaneously solidified by irradiating a liquid photopolymer volume from multiple angles with dynamic light patterns. Though tomographic additive manufacturing has the potential to produce complex parts with a higher throughput and a wider range of printable materials than layer-by-layer additive manufacturing, its resolution currently remains limited to 300 µm. Here, we show that a low-étendue illumination system enables the production of high-resolution features. We further demonstrate an integrated feedback system to accurately control the photopolymerization kinetics over the entire build volume and improve the geometric fidelity of the object solidification. Hard and soft centimeter-scale parts are produced in less than 30 seconds with 80 µm positive and 500 µm negative features, thus demonstrating that tomographic additive manufacturing is potentially suitable for the ultrafast fabrication of advanced and functional constructs.

Suggested Citation

  • Damien Loterie & Paul Delrot & Christophe Moser, 2020. "High-resolution tomographic volumetric additive manufacturing," Nature Communications, Nature, vol. 11(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14630-4
    DOI: 10.1038/s41467-020-14630-4
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    Cited by:

    1. Antony Orth & Daniel Webber & Yujie Zhang & Kathleen L. Sampson & Hendrick W. Haan & Thomas Lacelle & Rene Lam & Daphene Solis & Shyamaleeswari Dayanandan & Taylor Waddell & Tasha Lewis & Hayden K. Ta, 2023. "Deconvolution volumetric additive manufacturing," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Mahdi Derayatifar & Mohsen Habibi & Rama Bhat & Muthukumaran Packirisamy, 2024. "Holographic direct sound printing," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    3. Maobin Xie & Liming Lian & Xuan Mu & Zeyu Luo & Carlos Ezio Garciamendez-Mijares & Zhenrui Zhang & Arturo López & Jennifer Manríquez & Xiao Kuang & Junqi Wu & Jugal Kishore Sahoo & Federico Zertuche G, 2023. "Volumetric additive manufacturing of pristine silk-based (bio)inks," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

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