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Creation of a High-Fidelity, Low-Cost, Intraosseous Line Placement Task Trainer via 3D Printing
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A Reliable Low-Cost Three-Dimensional (3D)-Printed Brachial Plexus Model for Enhanced Anatomical Learning.

Manuel Cevallos1,2, Joshua J Meyer2, Jackson Beeching2

  • 1Surgery, University of Arizona College of Medicine - Phoenix, Phoenix, USA.

Cureus
|March 9, 2026
PubMed
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A new, affordable 3D-printed brachial plexus model aids anatomy education. This cost-effective tool, created from 3D scans of cadavers, enhances spatial understanding for students, especially at resource-limited institutions.

Area of Science:

  • Anatomy
  • Medical Education
  • 3D Printing Technology

Background:

  • The brachial plexus's complex 3D structure challenges anatomical learning.
  • Traditional 2D resources and expensive commercial models limit accessibility for many institutions.
  • Effective spatial visualization is crucial for understanding this neurological network.

Purpose of the Study:

  • To develop a practical and cost-effective 3D-printed brachial plexus model.
  • To provide an accessible learning tool for students and educators.
  • To evaluate the model's effectiveness in anatomy education.

Main Methods:

  • Direct 3D scanning of cadaveric brachial plexus structures.
  • Creation of an affordable 3D-printed anatomical model.
Keywords:
3d-printed model3d-scanninganatomybrachial plexusmedical educationspatial visualization

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  • Pilot study involving physician assistant students using anonymous surveys.

    • Main Results:

    • The 3D-printed model accurately captures key anatomical details of the brachial plexus.
    • Pilot study feedback from students indicated the model's potential to enhance learning.
    • The model offers a low-cost alternative to existing educational tools.

    Conclusions:

    • The 3D-printed brachial plexus model is a viable, cost-effective solution for anatomy education.
    • This accessible tool can improve spatial understanding and bridge educational gaps at low-resource universities.
    • The model is available for academic use to facilitate further evaluation and adoption.