
90mm USB fume extractor
thingiverse
This is an uncomplicated fume extractor, featuring an optional filter cover. The filter must be no more than 10mm wide. You can utilize a carbon filter or a cat box filter; however, the airflow isn't very good with the cat box filter. This prototype isn't extremely efficient. The feet are spacious enough to accommodate a 5V->12v DC/DC converter, allowing it to be powered via USB. For instance, consider purchasing a set of MT3608-2A DC/DC boost modules on eBay.
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