I haven't posted this previously, but since late March I've been working on a new design based on a suggestion from a really cool guy over on MakerWorld who needed a filter for his 3D printers. He wanted to use the "Perfect Poor Man's Printer VOC/Fume Extractor" by MrFunctionalPrint over on Makerworld, but that design would not fit on his P1 or P2 without splitting it up. He agreed to test the design and provide feedback, since I don't own the Levoit C200 filter (which the design is based around), so I agreed to design it. I think he burned through several rolls of material and many hours of printing to help bring the design to the point where it's ready to share. The upside was that he got a filter that was pretty tailored to his requirements, though it was modular enough that it should be adaptable to many different configurations.
I think I spent well over 50 hours on the design in total, possibly more, (the devil is always in the details). The deisgn also evolved quite a bit from the inital idea, and was expanded into a more modular configuration (which lead to designing some additional related parts). Probably it would be easier to tweak a design if I were using a true parametric CAD program, but mine is not that. This is my hobby though, and I enjoy designing cool stuff, especially when it's stuff that could be useful to the 3D printing community.
Since the design is finished now, and we know it's functional, I plan to post it soon. What we haven't done (and don't have the means to do), is to test how well it works at cleaning the air, or any long term testing of the design. The design is pretty similar to the Perfect Poor Man's filter though, so I expect it to be similar in how it works.
I have a few more additions I'm working on for the design, including a couple aux carbon inserts. The design will release with 2" and 2.5" hose adapters, but I pan to release some more adapters in larger hose sizes later. I may also open the license up to remixing, once I have some of the other associated designs uploaded, and feedback on them. Since I don't own the Levoit C200 filter, it makes it difficult to support the models, so I think a license which lets other folks remix it is the best way to go (but again, that will be opened up a bit later).
Below are some images of the design, including some of the assembly process. It looks a bit complicated, but it only requires 16x M3x16mm FHCS and 16x M3 locknuts, along with some 5/16" weatherstripping and superglue to assemble. There are some TPU parts, but with some compromises, it may be possible to build it without the TPU parts.
I think I spent well over 50 hours on the design in total, possibly more, (the devil is always in the details). The deisgn also evolved quite a bit from the inital idea, and was expanded into a more modular configuration (which lead to designing some additional related parts). Probably it would be easier to tweak a design if I were using a true parametric CAD program, but mine is not that. This is my hobby though, and I enjoy designing cool stuff, especially when it's stuff that could be useful to the 3D printing community.
Since the design is finished now, and we know it's functional, I plan to post it soon. What we haven't done (and don't have the means to do), is to test how well it works at cleaning the air, or any long term testing of the design. The design is pretty similar to the Perfect Poor Man's filter though, so I expect it to be similar in how it works.
I have a few more additions I'm working on for the design, including a couple aux carbon inserts. The design will release with 2" and 2.5" hose adapters, but I pan to release some more adapters in larger hose sizes later. I may also open the license up to remixing, once I have some of the other associated designs uploaded, and feedback on them. Since I don't own the Levoit C200 filter, it makes it difficult to support the models, so I think a license which lets other folks remix it is the best way to go (but again, that will be opened up a bit later).
Below are some images of the design, including some of the assembly process. It looks a bit complicated, but it only requires 16x M3x16mm FHCS and 16x M3 locknuts, along with some 5/16" weatherstripping and superglue to assemble. There are some TPU parts, but with some compromises, it may be possible to build it without the TPU parts.
Update 6/9/2026: I goofed up on the icons for the lid, and put them on backwards from the way they actually work. That is now fixed and I also fixed the images for the instructions, which relate to those parts. So now I'm just polishing up the profiles to get everything ready to post (which will be this week).
6/16/2026: This design is now posted over on MakerWorld:
https://makerworld.com/en/models/2920723-levoit-core-200s-3d-printer-filter-adapter#profileId-3268061
https://makerworld.com/en/models/2920723-levoit-core-200s-3d-printer-filter-adapter#profileId-3268061
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