3D printed knobs for drill press quill handle.....

For removing the stink, you could do like I just did for my metal shop. The cutting oil on heavy cuts would really burn up. So I took a bathroom fan, and connected some 4" waste pvc, (outside drain stuff) and attached it together. One end went to the metal shop, the other side to the finishing shop (wood finishing and spray painting). While it's not enough CFM for major removal, I have a heating system blower to really evacuate it. But anyway, i plumbed it to near the window, rather than poke a hole , and with 2 feet of flexible 4" hose attach the plumbing and fan... and exhaust the fumes.
Worth doing, the heavier cfm unit you get the more air change. Just make sure its not so great that you suck the CO from your heater or water heater through.
 
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