Balance in general is difficult to maintain especially with a bit of alcohol. 
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It my birthday today, so there is no chance the alcohol is going to be in the low quantity. 
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Happy Birthday! …
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I printed 7 of the previous model to finally get to a fit that I felt was snug.
I’m happy when I set the width scale to
34.6mm fits nice and tight and is hard to pop out but can be done with your fingers.
the 34.7mm is very secure and requires i use clamp to pull out.
Both cause no damage to the MAS.
And with @VoodooDE’s recent review of the DAS im thinking this is easily the best way to go if you want good quality audio.
EDIT: no Fusion 360 file on this one?
Ok so i printed the slim version and I think i will stick to the thicc one.
The slim one doesn’t seem to stay in as strongly. So unless i put a screw in i’m pretty sure the headphone would fall out.
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What about me? I do that too.
Craves attention. 
jokes
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I have done just some Audio tests on the kdmas(my 5k+ is having some issues with pitool; may move it to the 8k).
@neelrocker might be right with something with the Vision headset not mixing right with Kdmas speakers or he might need to also try the y cable.
Without the Cups the sound is okay; likely better than SMAS. However as we know it doesn’t isolate.
With Cups the sound is minimally on par with DAS maybe better. Need to do some A B Testing.
However if you have a narrow head the kdmas with or without cups is not likely going to be a great experience as there is very little adjustments to press against the ear. Only a bit of rotating at top of audio hinge.
Which brings me to the comfort kit. Even with the large foam the eye glasses cutouts leaks light! So folks like @asampal is definitely going to have issues with this. This facial interface seems to be made for pretty wide heads. Some foam should fix it. Haven’t tested visuals yet.
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Sorry, i’m late, but congratulations with your birthday! Hope you had a good one without too much of an hangover
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Interesting as my print only required a very light filing on the very bottom edge to fit nice and tight because of my base layer expansion. But my final print fits well at 34.7mm. I am using the slim one and it has not fallen out. But I am going to add a couple of mm to the thickness and see how it works.
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Oh, I had printed the slim one at 34.6
.7 would have been more snug. but it would be a non issue with a 1 mm hole in the center.
Also i dont know if its possible to adjust this, but alot of filing could be reduced if you made the clip part ~1-2 mm shorter and round the edges.
as far as i can tell, most of the filing i end up doing to get it to fit is filing down the corners of the clips to make it rond like the clip part and about ~1-2mm from each end.
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Has anyone confirmed this? But I think its possible that the KDMAS is just the SMAS driver lowered to ear level with a plastic ear cup over it.
If this is the case I can imagine what @VoodooDE is talking about.
The SMAS driver is crap and can’t even handle Mariah Carey when she hit a high note. And has no chance in H3ll at delivering any bass.
even with my hands cupped over it. It sounded a bit better but as Voodoo said in his review. Without the hand cups it sounds “even worse” (meaning not good in the first place)
I think speaker itself is garbage. I can say for sure that even my quest and rift S deliver more compelling audio than the SMAS does and maybe even better then the KDMAS.
I wouldn’t play Pistol Whip with the SMAS ever.
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Ok here you go . … . there is even a 1.25 mm hole but it will depend on your printer resolution. I redid the slim version to it’s final and like it the best.
Here is the fusion360 file; Pimax 8KX Sound Kit Spacer Slim by SideKick - Thingiverse
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So after 10+ different prints. I managed to get it pretty much perfect.
I rounded the clip in part and sized it so that no filing is required.
link to the remix is here. Hopefully this saves someone some time, especially if you don’t have Rasps lying around.
Also @Sidekick1 how did you solve the problem with the original headphone jacks dangling there?
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Nice - my last slim ones fit without filing but now they have more to chose from. Taped the original jacks up against the body of the headset.
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Where do you get the picture of the print for thingiverse sitting on the grid?
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Cura generated that when i looked in the folder it was there.
Only thing i wish was that there was a way to have the earcups tilt more to be parallel with your ear.
also the dangling smas headphone jack.
EDIT i literally had to learn F360 just to make that tiny edit. But now im hooked.
One could remove the thin rubber shield that exposes the little screws holding on the strap adaptor. redesign the spring system to fit inside the original speaker cup holes by attaching it to the spacer adaptor. Then they would fit closer . . . F360 is the best!
Thanks for the info on the Pic - I use Simplify3D with my printers so that is why I have never seen it . . .
It’s interesting that on the thin foam, they kind of made the glasses cutout only partial, so I think it blocks light probably better than the thicker foam which has the cutout all the way through. Haven’t tried the thick one yet mostly because I want the bigger FOV that comes with being closer to the lenses, but also because of the cutout.
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Update. These amazing headphones were reviewed
After trying the G2 i came away more impressed with these. I love the bass on these as it feels like its moving the air for the low frequencies. its hard to explain.
The new model of these that works on the quest 2 have slightly different clips BTW
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I ended up printing and installing the DAS completely as the 8KX would wobble a bit. The DAS is much more comfortable and the speakers are fine for the voice comms I use it for. Was a fun experiment though!
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