Thats the mid case btw.
Thinner than 13.8mm?? Its alr thinner than ZF. How thin u want it to be?
Regarding the bezel edges. My guess is its due to the bending of the bezel. So unless any factory can perfectly replicate RM's machining process.. If u want something uniform then ur best bet is getting a gen.
As for the mid case... What glaude says makes perfect sense. If u stack up pieces of paper and cut a steeper curve and a shallow curve, u see the layers differently.. With the steeper curve looking much more tightly grouped together and the layers look thinner unlike the shallower curve. Hence the difference between the middle lines and the lined towards the end.
Also tbh, its the midcase. They dont have to "layer" better quality carbon on top as it doesnt make sense to do so. It will only affect uniformity of the mid case. As it aint easy finding carbon layers with the same shade. Also, u kinda disproved ur whole arguement.. Because u initially had an issue with the bezel but none with the mid case.. But now you gave ur last example with the mid case?
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I'm not sure how to make it more clear. I thought photos and highlighting certain areas of the photos would be enough. OK, RM uses NTPT carbon. These come in 150m rolls of super thin carbon ribbons. You roll out a bit, slice off a portion, add it to a
curved mold, roll out some more, cut, repeat until you reach the desired height. They supposedly use 800 layers of NTPT sheets for a RM case.
(To help you imagine that, think about how thick a pack of 500 A4 sheets for your printer is.)
Once you have the layers stacked into the mold, you compress and heat it for several hours to cure it. Then it's ready for milling. Now if you were doing the milling and wanted to save a bunch of money you could use cheaper, and thicker, sheets of prepreg carbon in the middle. After you do your milling, if you were a bit too aggressive in your cost cutting, you'll be able to easily differentiate the different types of carbon layers you used. Now scroll back a few pages and you'll see in the photos I posted where I circled those areas. Nicer stuff on top; thicker layers below.
Quick recap = two type of carbon. NTPT and cheaper, thicker carbon sheets. There really is no debating this. Check the photos.
ABD says they use only one type. Maybe that's true in their mind. Maybe they purchased the preformed carbon block and their source did the layering to cut costs and ABD is not aware of this. But I think they're not stupid and they know what's going on with the carbon. As you can see in the milled mid-case, those clearly use the thicker carbon sheets there. That makes business sense too. Why use the expensive stuff for the mid-case? That means they have knowledge of when to use a certain type and it's not all one type, as they say. The mid-case and bezel both share a similar curvature by the way. Otherwise they wouldn't fit together, now would they? Same curvature + same carbon = same style/appearance. But the top surface of the mid-case and top surface of the bezel don't look the same. Not even close.
Anyway, I would like to buy from ABD but I have concerns about their product. I see wildly different levels of quality in their posts, they are not too transparent, they carefully select photos to hide certain things, they get highly defensive when questioned, etc. I just wanted them to put a few more layer of the nicer carbon into the block so it didn't leave the noticeable layering of two types from the side. They are modders, after all, right? For these reasons, I probably would not buy. I certainly don't respond to customer feedback this way. This whole thing serves to illustrate why they are not trusted dealers.
Here's a super easy test for ABD since they say I don't know what I'm talking about. You've got stacks of bezels in your photos. Flip one bezel over and show us a photo of the underside. Side by side. One bezel right side up; one bezel showing the opposite side. You can already see top and bottom are different in the photos I posted a few pages back. Look at the exposed surface of the case-bottom touching the mid-case.