I found some filters, which I have been using in my ducted enclosure, and I think they may work with the X1C as well. With the ducted enclosure, they simply do a quick filter before the air is vented outside, but they are marketed as HEPA. These filters are larger than the hole for the chamber fan outlet, but it should be no problem if the filter housing extends lower than the fan outlet (since there is nothing there). The additional surface area may help with allowing more flow through the filter too.
The issue with the filters I used for the first try, is that they offer too much resistance (though they are nice filters if used with a powerful enough fan). The filters I'm using for this 2nd design are thinner, and probably not as efficient, but if no air can pass through a filter, it's not doing anything anyway. I think the lack of airflow through the first filters I tried is why there was a notable smell when printing PLA as well as ABS, since the air was not getting filtered, but rather backing up and probably just blowing around the filter or not making it through at all. There is no carbon component to this new filter, though there is a small carbon filter inside the printer (which is not sufficient in my opinion). So this is not perfect, but I hope it will do.
This design was much easier to create, since I did not go overboard with the extra details this time. But it will still have the option of printing with 2 colors to highlight the hexagon inlay pattern. If it works well enough, I will post it up on Printables.
The issue with the filters I used for the first try, is that they offer too much resistance (though they are nice filters if used with a powerful enough fan). The filters I'm using for this 2nd design are thinner, and probably not as efficient, but if no air can pass through a filter, it's not doing anything anyway. I think the lack of airflow through the first filters I tried is why there was a notable smell when printing PLA as well as ABS, since the air was not getting filtered, but rather backing up and probably just blowing around the filter or not making it through at all. There is no carbon component to this new filter, though there is a small carbon filter inside the printer (which is not sufficient in my opinion). So this is not perfect, but I hope it will do.
This design was much easier to create, since I did not go overboard with the extra details this time. But it will still have the option of printing with 2 colors to highlight the hexagon inlay pattern. If it works well enough, I will post it up on Printables.
Update 9/3/2023: This works better, but I can still smell the PLA cookin. I don't think the built in carbon filter really does much either. This maybe the best that I can do with the stock fan setup. I may post this later. (edit 12/29/2023 - it did not work after additional testing. There was not enough static pressure to move much air through even this thinner filter).
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