downdraft soldering fume extractor

A downdraft fume extractor using an 80mm computer fan inset in my workbench. Uses this switch from amazon https://www.amazon.com/gp/product/B075VBV4QH , an 80mm computer case fan, 2 M5 nuts and 2 M5x15mm socket head cap screws.

Route a 149mm diameter circle in bench, 6.35mm deep (1/4") for flange. Through hole in bench should be ~127mm diameter.

Print Settings

Notes:

Print gill side down