Yeah ive been meaning to test that but printer has been busy with other things. Let us know how it goes.
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bambu is just admitting that for the ones of us that have the printers on shelves (no access to the top) we can get our mind out of the softer TPU… 95 is it for me 
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if you post a photo of your setup, i believe people would come up with ideas
could drill a hole in the shelf above it and run some ptfe tube through it. If that happened to work for your situation.
Yeah that could potentially work, but the shelf above is where the AMSs live (and a few accessories drawers)
will think about it, I don’t have any urgency, I do have a couple of 90a rolls that I got to test, but I can always use them on the x1c
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This is how I do all my TPU in the h2d. I have printed out 85, 90, and 95 TPU this way. It comes out absolutely perfect. This is a dry food box that I got from Walmart, and then the spool holder is one I made probably 10 to 15 years ago and it has a skateboard bearing in the center. I actually have to put my desiccant pack underneath it and have it rub a little to give a little bit of friction so it doesn’t free spin too easily. The tubing is a single piece that runs all the way in through the TPU slot straight into the head. This is the tubing I’m using from Amazon and it has almost zero friction on the inside. There is such little friction that if I don’t have my desiccant pack rubbing on the spool it will continue to free Spin too much when it stops the Dynamics flow calibration and unwind. If I had to do it again I would have the TPU come out on the bottom of the dry box. This way if it unwinds too much it piles up in the bottom instead of loosening up on the top and then wrapping around the spool axle.
While we talking teflon tubes stay away from clear ones. I made the mistake of ordering some clear PTFE tubes just to discover they have a lot of internal friction when compared to the white or smoke color tubes.