I designed a soldering fume extractor based on a standard 140mm computer case fan out of the need to have a quiet one to use while filming video footage of the work I was doing.
I have done no testing of my own to validate its effectiveness, your safety is in your own hands. It does use a standard carbon filter as found in many off the shelf solder fume extractors, for what it's worth.
Updated: 2024-02-07, corrected bolts link.
The extractor contains a single custom part, that being a frame that retains the filter against the back of the fan. It is designed to be easily 3D printed without supports.
Download it here: https://file.io/B100ZMxbiTqX
The remaining parts are all available from Amazon and I'm sure other places too. I include the parts needed in this list to power the fan via USB with an inline speed controller. Power it however you want, feel free to use any 140mm fan. I'm not your dad.
Filters: https://www.amazon.com/gp/product/B07D5SBPN8/
Speed Controller: https://www.amazon.com/gp/product/B072M2HKSN/ USB to PWM Cable: https://www.amazon.com/gp/product/B07QFG6LFR/
Front Grill: https://www.amazon.com/gp/product/B01M2YI7BM/ Rear Grill: https://www.amazon.com/gp/product/B007EVKIXW/ Fan: https://www.amazon.com/gp/product/B07655KF5C/
Bolts: https://www.amazon.com/dp/B07ZKHY1XJ/ Nuts: https://www.amazon.com/gp/product/B07H3VF3BF/
Assembly Order:
Bolts, Front Grill, Fan, 3D Printed Frame, Filter, Rear Grill, Nuts
Written on a Mode Sonnet