Abstract
Current digital clay fabrication techniques comply with the innate material behavior of clay by extruding in two-dimensional layers. This method inevitably uses an excess amount of material and is a time-consuming process that does not take advantage of the viscous properties of clay. However, by utilizing spatial print trajectories with embedded print parameters (e.g. print speed and extrusion rate), the extrusion behavior of the material can be controlled via simulating actions like anchor, drag, and pull of the clay at the nozzle tip. The aforementioned spatial print trajectory can then form a voxel that can be heterogeneously controlled in order to quickly form self-supporting complex geometries with different density, macro-porosity, and structural rigidity. The print path can also be scaled up to exploit the potential of digital fabrication at the construction scale.
Authors by alphabetical order. Authors contributed equally to the preparation of this manuscript.
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Acknowledgments
This research was partially funded by the Kuwait Foundation for the Advancement of Sciences (KFAS) under project code “CB18-65EA-01”, and the authors would like to sincerely thank Jose Luis Garcia del Castillo Lopez (Harvard University GSD) and Kathy King (Harvard University Ceramics) for the valuable feedbacks to this arduous research process.
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AlOthman, S., Im, H.C., Jung, F., Bechthold, M. (2019). Spatial Print Trajectory. In: Willmann, J., Block, P., Hutter, M., Byrne, K., Schork, T. (eds) Robotic Fabrication in Architecture, Art and Design 2018. ROBARCH 2018. Springer, Cham. https://doi.org/10.1007/978-3-319-92294-2_13
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DOI: https://doi.org/10.1007/978-3-319-92294-2_13
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