pretty well, or small paintbrushes, centimeter or two wide (half inch to one inch).
You might try taking the fan back out, and rinsing once again with rubbing alcohol, highest percentage isopropyl you can find. Sometimes it's called Techical alcohol" and might have some methanol in it. DO THIS OUTSIDE! FUME HAZARDS! WEAR GLOVES, NITRILE FOR PREFERENCE! It isn't really all that dangerous, but fires happen and it will dry the dickens out of your skin, as well as sting like crazy in any tiny nicks, sores, or cuts. Plus you just ought to minimize contact, for your health's sake.
Once rinsed, very thoroughly dry it out, not with a hair dryer or the like, you don't want hot filaments or sparks around these fumes. Put it out in the sun, for choice.
You might get it back, it's worth a shot.
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