About the Authors

Julia Quinlan

Roles Formal analysis, Investigation, Methodology, Project administration, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Physical Medicine and Rehabilitation, Northwestern University Prosthetics-Orthotics Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America

Jessica Yohay

Roles Formal analysis, Investigation, Software, Validation, Visualization, Writing – review & editing

Affiliation Department of Physical Medicine and Rehabilitation, Northwestern University Prosthetics-Orthotics Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America

Vasanth Subramanian

Roles Formal analysis, Investigation, Software, Validation, Visualization, Writing – review & editing

Affiliation Department of Physical Medicine and Rehabilitation, Northwestern University Prosthetics-Orthotics Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America

Brad Poziembo

Roles Methodology, Resources, Software, Validation, Writing – review & editing

Affiliation Prosthetic Design Inc, Dayton, Ohio, United States of America

Stefania Fatone

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

s-fatone@northwestern.edu

Affiliation Department of Physical Medicine and Rehabilitation, Northwestern University Prosthetics-Orthotics Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America

Competing Interests

Brad Poziembo is an employee of Prosthetic Design Inc., the commercial manufacturer of the Squirt-Shape™ 3D Printer used in this study. This commercial affiliation does not alter our adherence to PLOS ONE policies on sharing data and materials. The other authors declare that no competing interests exist.