H2 Series 4-in-1 PTFE Holder
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H2 Series - 4-in-1 PTFE Holder
If you're using more than one AMS, you'll inevitably need splitters sooner or later – especially the Bambu Lab 4-in-1 PTFE splitter. Since I wasn't happy with the direct mounting on the buffer, I developed a holder for the back of the H2D and H2S, which I'd like to share with you.
What you need:
- 2x BT3 x 10
- 2x M3 x 8 (Optional, but recommended)
Assembly
Installation is quite simple; the picture clearly shows the screws I used. You can use the existing screws, but I recommend using M3 x 8 screws to attach the adapter / base plate.

You'll need self-tapping BT3 x 10 screws to install the 4-in-1 PTFE Adapter.
I've added the appropriate screws to the Bambu Store under "Materials."
After installation, you can use the cover for a clean, tidy appearance.

I personally use the 4-in-1 PTFE holder with two 4-in-1 PTFE splitters in combination with two AMS 2 Pro and one AMS HT.
Testing I'm currently experimenting with the PTFE tubing, specifically the length, to minimize friction when loading filament. In my case, the AMS 2 Pro are located in drawers under the H2D, which means a fairly long distance to the extruder, and my H2D sometimes displays a "too much resistance" message. I will share my experiences with this in the future.
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I look forward to your feedback and pictures, and possibly some tips regarding long PTFE hoses and avoiding too much friction.


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