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August 22, 2026MicromachinesOpen Access

Additive Manufacturing of Polyamide-6 Preforms for Scalable Thermal Drawing of Structured Fibers

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Authors

ABAkila BandaraANAhmed Moustafa Abd-El NabiLMLuka Morita

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Overview

Experimental study demonstrates scalable thermal drawing of 3D-printed polyamide-6 preforms, indicating viable manufacturing of structured microfibers for soft robotics and smart textiles.

Key Points

  • Evaluate the feasibility and optimal 3D-printing parameters of polyamide-6 (PA6) preforms for scalable thermal drawing into multi-channel structured microfibers.
  • Fabricated solid circular and three-channel PA6 preforms using Fused Deposition Modeling (FDM) additive manufacturing.
  • Conducted thermal drawing experiments across varied printing layer thicknesses and channel aspect ratios to evaluate fiber stability and cross-sectional architecture.
  • A 3D-printing layer thickness of 0.3 mm produced the most consistent drawn fiber diameters over extended drawing durations among all evaluated settings.
  • Intermediate aspect ratios of 0.4 and 0.5 between inner channel diameter and outer diameter best preserved internal channel integrity and dimensional stability.

Cite This Study

Bandara et al. (2026) studied this question.

synapsesocial.com/papers/6a895ed9ca7ade938187cfcbhttps://doi.org/10.3390/mi17080978
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