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Knowledge Base Repository

In addition to research papers, the Design Society is developing several valuable resources for those interested in the study of design. These include a repository of PhD theses, a library of case studies and transcripts of design activities, and an archive of our newsletters. Please note that these resources are accessible exclusively to Design Society members.

Understanding and controlling environmental effects in direct ink writing of upcycled biomaterials

Luik, Jamie Quinn; Faludi, Jeremy

Type:
Papers
DS 145: Proceedings of the DESIGN2026 19th International Design Conference
Year:
2026
Editor:
Štorga, M.; Škec, S.; Martinec, T.; Marjanović, D.; Pavković, N.
Author:
Luik, Jamie Quinn; Faludi, Jeremy
Series:
DESIGN
Institution:
Delft University of Technology, The Netherlands
Page(s):
1991-2000
DOI number:
10.1017/pds.2026.10557
ISSN:
2732-527X (Online)
Abstract:
This paper examines how ambient airflow, temperature, and humidity impact the print quality of upcycled biomaterials in Direct Ink Writing, and explores strategies for mitigation. A standardized pecan shell flour ink was used with optimized slicing parameters. Experiments in a controlled climate chamber involved sensor logging and statistical analysis. Airflow improved structural stability, overhang fidelity and bridging, but increased Z-axis shrinkage. Higher temperatures slightly improved bridging, while elevated humidity reduced stability and increased sagging, despite small bridging gains.
Keywords:
direct ink writing, additive manufacturing, biomaterials, sustainability, environmental conditions
DESIGN2026 - The 19th International Design Conference
Conferences

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