Surgical mask under microscope - GIF

Surgical mask under a microscope.

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Previously:

https://www.homemadetools.net/forum/...129#post168738
https://www.homemadetools.net/forum/...014#post160561
https://www.homemadetools.net/forum/...304#post154241
https://www.homemadetools.net/forum/...125#post153646
https://www.homemadetools.net/forum/...086#post153531

That's interesting to 'dither' the object to get a better view of the 3D image.

Interesting, we've had batches that weren't properly heat 'sealed' where the fibrous filter material was shedding and being inhaled...