Surgical Mask Band - smooth surfaces / minimal retraction
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Description

After MANY test prints of a variety of available models I was still looking for a design that minimized retraction and infill for easier FDM 3D Printing. Retractions have the potential to cause surface blemishes that create a risk for snagging gloves. Infill slows down the print speed, reducing part production quantities. I set out with the goal of creating a model that can be printed with a 0.4mm nozzle with high efficiency on any quality printer. In addition to being a quick-to-print model, it can also be laid out to optimize bed usage. Weighing in at 2.05g, almost ~485 bands can be made with 1kg of material, making it a highly economic option. While experimenting with the available models, it was found that a band thickness of 0.75mm created an ideal level of flexibility/durability (when printed in PETG). The additional layer on the 'hooks' cover any retractions on the lower layers and create additional structural integrity.

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Source creator
BrendonBuilds
Source license
CC-BY-NC-SA
Archived copies are shared under the license shown.
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Surgical Mask Band - smooth surfaces / minimal retraction

From NIH 3D
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Category

learning

License

CC-BY-NC-SA

Published

9/1/2026

Availability

free on NIH 3D