Gas station without pumps

2020 April 30

Improved 3D-printed nose clip for fabric masks

Filed under: Uncategorized — gasstationwithoutpumps @ 16:54
Tags: , ,

I posted earlier about the nose clip I designed to keep my cloth masks from fogging up my glasses, based on the design from Prusa.  The nose clip was not as good a fit to my face as I wanted, and it seemed a little more complicated than necessary.  So I redesigned the clip to be easier to reshape, using parameters that could be more easily specified with OpenSCAD’s Customizer.  I tweaked it until it fit my face reasonably well.

The clip viewed from inside the mask—there are only two clips resting on the cheeks—nothing on bridge of the nose.  The band is now constant thickness except at the clips, which are longer than before, because they now lay more-or-less flat on my cheeks.

The outside view shows just a simple band.

I reduced the amount of “stringing” I got from the printer by changing the Z-seam settings to  “sharpest corner” and “expose seam”.  This change reduced the amount of trimming and filing needed to get a smooth surface on the clips. I’m still printing at 0.07mm resolution, though that is very slow, in order to get a smoother surface.

I have uploaded the new nose clip design to https://www.thingiverse.com/thing:4327291.

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