Supersized active carbon filter
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Filters all the ABS smells you could think of for a very long time. Uses a 120mm 12V fan.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution
This is a supersized active carbon filter that keeps ABS and other printing smells down for quite a while. Unlike most other filters like these, it's intended to be used with a 120mm axial fan ( the kind you probably have lying around anyway from a desktop PC) and not with a radial fan. This necessitates a redesign of the air flow concept and makes it a lot bigger. This one also comes with endcaps that you can put on the filter for when you're not using it - this drastically elongates the carbon service life, as it doesn't end up filtering hydrocarbon out of ambient air while the printer is off.
Bill of materials(BOM):
- 4x M4x5 screws
- 1x 120mm fan plus screws
- a 12V powersupply ( I'd recommend 3A, based on your fans)
- a female 12V fan connector
- a 12V female plug to connect the DC controller to the PSU
- a DC speed controller for the fan (Speedcontroller i'm using)
- Nevermore active carbon
- optional, for attaching the holder to a wall:
4x 3,5x16mm wood screws
-or-
4x M4 socket head bolts to screw
-or-
epoxy glue
Manual:
Print all parts once, except for the endcap. Print that twice.
Attach the 120mm fan above the pointy grill section by using the small screws it came with. Screw them in to the fan and then through the fan in to the holes provided for fan mounting.
Fill the filter enclosure with Nevermore active carbon ( I made the holes inside just big enough so that nevermore carbon should not fall out of the hexagons), then screw the lid to the filter with the M4 bolts.
Attach the holder somewhere in your enclosure, in a position where airflow doesn't directly point at or pull from the build plate.
Push the filter with the non fan side in to the hooks on the holder, then use the clasp on the hole in the holder with the long side in the holder and the short side on the filter to secure it on the holder.
Attach your power supply and fan controller to the fan. If you're using the speedcontroller box i've designed, glue it to the filter somewhere where you can access it from within the enclosure.
Whenever you're not printing, take the filter out of the holder, detach the fan from the speedcontroller and put the end caps on.
Special thanks to 0ndsk4 for explaining the reason for using radial fans in most carbon filter designs!
Happy Printing!