An activated carbon canister for the [eSUN Air Purifier](https://esun3dstore.com/collections/esun-air-purifier/products/esun-3d-printing-air-purifier-night-light-aroma-diffuser-for-fdm-printing) that is dimensionally compatible with the original filter.

Included is the canister, the lid, and two bonus models!
- base.stl: A replacement base if your original happened to have an unfortunate exposure to acetone. Long story.
- tray.stl: A tray that you can adhere in exactly the right spot on the floor of a Bambu Lab X1 Carbon to consistently position the filter between the bed and right side wall. The filter is an incredibly tight fit even without this tray and depending on the tolerances of your printer, this may cause the bed to hit the filter. Don't risk it. Don't use the tray.

You'll need to print two copies of the lid (for the top and bottom). This is the only piece that needs supports. Printing these upside down will use less support material, but leave the scared surface exposed on the outside of the canister. Do whatever makes you happiest here. 

I printed everything in eSUN eASA in order to withstand higher chamber temperatures.

License: Public domain. Not responsible for whatever you do with these models. Enjoy!

FAQ: 
"But, why did you add that to your X1C? Don't you know it already has a carbon exhaust filter?" --Everybody

Well, here's my working theory. (I don't know if any of what I'm about to say is correct.)
    1. Running the exhaust fan during printing will cause cool air to enter the heated chamber and will cause ABS/ASA/PA-CF to warp.
    2. Venting the air through the carbon filter will only give a single pass over the carbon, thus not giving it as much opportunity to filter VOCs.
By recirculating the warm air continuously over the activated carbon using this eSUN air purifier, there is more opportunity for VOCs to be removed without causing a draft. However, I have modified the _Machine end G-code_ to turn on the exhaust vent when the print is finished. By using both of these techniques, my air quality monitor does not complain nearly as much as it did before. And, at the very least, my eyes are considerably less irritated. YMMV.

eSUN Air Purifier Filter Canister

canister.stl

The most annoying thing about the official Xbox Wireless Headset is the giant volume knobs that can rotate when you lean your head back against the couch. This "friction lock" easily snaps onto one or both of the volume knobs and prevents them from rotating. Adjust the knobs to your desired volume/mixer level, snap these on, and problem solved!

Xbox Headset Friction Lock.stl

XBox Headset Friction Lock.stl

**UPDATE!** I was finally able to source the perfect magnets for this. The dimensions are slightly larger (12mm vs 10mm) so I've updated the models accordingly. I left the originals for the countersunk 10mm magnets as those are easier to obtain. However, the 12mm magnets are so strong, the brace is no longer required to prevent a disconnect when abrasive filament is being retracted.

New 12x4mm magnets can be ordered from [FIRST4MAGNETS](https://www.first4magnets.com/us/circular-ring-c37/43-91-o-d-x-3-19-i-d-3-19-thick-n42-neodymium-magnets-5-51lbs-pull-p9425#ps_0_9691|ps_1_9683).

----

My concept for a quick-change adapter for easily attaching/detaching the AMS feeder from a Bambu Lab P1P. (It also works great on the X1C!) This lets you easily detach the AMS to manually feed filament from an external spool. #ThangsBambuContest

My design skills are amateur at best, so there's definitely room for improvement here and I encourage anyone to evolve this concept. Please see the _Areas for Improvement_ section below.


**Bill of Materials:**
1. PC4-M10 Pneumatic Fittings - [Amazon](https://www.amazon.com/dp/B0954Q2B6Z)
2. 10x4mm Disc Magnets with 4mm Hole - [Amazon](https://www.amazon.com/dp/B07PQD8B7B)
3. 6x3mm Round Magnets - [Amazon](https://www.amazon.com/dp/B07873ZCY4)
4. PTFE Tube (if necessary) - [Bambu Lab Store](https://us.store.bambulab.com/products/p1p-ptfe-tube-4-pcs?variant=41252698390664)


**Printing Instructions:**
- I really like eSUN PLA-ST filament for projects like this because it seems to be a little more pliable and less prone to cracking.
- Print using 100% rectilinear infill with 0.16mm layer height.
- Print the objects using the orientation defined in the STL file. You will have to add supports below the base for the printer-side coupler. Painting them on this area with Bambu Studio works best.


**Assembly Instructions:**
- The magnets should easily friction-fit into the holes, but feel free to add a drop of superglue if necessary.
- Stack two disc magnets for each of the couplers.
- If using the countersunk magnets, the concave side should be on the printer half and the PTFE tube should be flush. The flat side should be on the AMS half and the PTFE tube should protrude a bit so it aligns with the tube in the other coupler.
- There are no threads for the pneumatic fittings because that is outside of my Tinkercad skill level. This is definitely something that can be improved. However, I mounted the couplers in a bench vice and carefully tapped the pneumatic fittings in by applying pressure while turning with a box wrench. (This is why I recommend PLA-ST or another "tough" filament.)
- Although this kind of defeats the purpose, I have included a design for a "brace" which clips onto the pneumatic fittings. This just gives extra security in case the filament retraction overpowers the magnets.
- You may need to add a longer PTFE tube to the printer so there is enough slack to fully engage the pneumatic fitting. Use your best judgement here, just make sure the toolhead can access the entire print surface.
- They say a picture is worth 1,000 words so take a look at those for more clarity.


**Opportunities for Improvement:**
1. Threads for the pneumatic fittings would be nice.
2. ~~I'm not thrilled with the hole magnets. I would prefer they were not countersunk for increased magnetic strength, but these were the best I could source on Amazon. If the magnets were stronger, the brace wouldn't be necessary.~~


**Attribution:**
The coupler design is my own original, however the clip & brace are based on the design by [G4ZO](https://www.thingiverse.com/g4zo/designs) on [Thingiverse](https://www.thingiverse.com/thing:5773351). Thanks dude!

Bambu Lab AMS Magnetic Coupler

Printer.stl

Printer-12mm.stl

AMS-12mm.stl

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eSUN Air Purifier Filter Canister

Xbox Headset Friction Lock.stl

Bambu Lab AMS Magnetic Coupler