It looks they are phasing out out. The US store didn’t have it the last time I checked, but stores in other countries had it.
Unfortunately, like within bambu studio, there is a lot of ambiguity in the description and explanation. The description is confused between ‘plate’ and ‘sheet’ or ‘side’. It is a pity that they do not have anyone on board who can write good english technical documentation. I’ve no idea how it translates into other languages.
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From what I’ve read on the WiKi, the engineering plate is used along with a special Gcode they provide to allow you to do manual tramming the bed using the three bed levelling knobs underneath the bed for X1/P1 Series printer.
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Not on the current wiki page…
I think the intent is just to use any smooth, non-textured plate. I’ve used both the Cool and the Engineering plates for tramming.
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That’s odd. I read that wiki article not more than two weeks ago and it stated that the engineering plate had to be used.
Thanks for pointing this out. 
I received a new X1C two weeks ago. It came with textured PEI plate. Been working fine with PLA and PETG.
Engineering Plate works really well with ASA/ABS. I have not tried the High Temp Smooth side yet.
Any substitute? Textured PEI seems problematic even with glue/liquid glue.
I like the micro textures of Eng Plate.
My original engineering plate was a coating. Not a sticker. It did have a cold plate sticker on the back. The engineering plate is nice. It has a very low texture. A middle ground between smooth and textured. Also, the prints dont leave imprints in the plate like the new bambu high temp stickers do. The new starry night and galaxy stickers are trash. Every print leaves a stamp in the sticker.
I have 2 different Engineering plates (sheets / sides).
One is really glossy and shiny and one is matt and slightly textured.
The shiny one came with my kickstarter X1C and the matt one came with my later X1C. Both are on the back of the Cool Plate.
On my High Temp plate I also have Engineering sides. Both of them are of the matt type.
I would love to get my hands on some glossy Engineering plates since they leave a glossy finish on the products but it seems they are no longer for sale…
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Chris,
I also received the shiny engineering plate with my X1C purchase. It’s thicker and more durable than the later matte version. It seems like the surface finish is baked into the plate on the shiny plate. The later matte engineering plates appear to have more of a sprayed on coating. When the shiny plate gets gunked up over time I use acetone to clean it without issue. I tried that once on the newer matte plate and it immediately destroyed the surface coating. I wish I could get my hands on a few more of those older plates.
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Few things are as aggressive as acetone and I’m amazed that so many use it for cleaning and occasionally ruin expensive stuff in the process. I wouldn’t even try it for anything remotely related to 3D-printing.
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Another good reason to print on glass.
It really depends on material you’re using it on. If the material is resistant to acetone it’s extremely effective. The original engineering plate that shipped with the x1c was unaffected by it unlike the newer version.
the high temp plate is not longer on the US store either…
It’s still there, they just refer to it as the Smooth PEI plate which is a double sided High Temp plate.
You can also still get the High temp replacement sheets.
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Sorry to be resurrecting an old thread, but the Bambu Smooth PEI Plate doesn’t seem to have the Engineering plate on the other side. There is a picture on the page that clearly shows it’s got the same 0.125mm PEI sheet on both sides. Where did you guys get that information?
This is a bummer as besides my G11 aftermarket sheet, I could only print PA on the Engineering plate (adhesion is perfect). PA doesn’t stick to PEI reliably for me (without warping). As it currently stands, Bambu doesn’t sell any sheets that can be used with PA imo. Weird.
Offtopic: boy, you can’t edit a post on this forum
Yes the PEI plate is dual sided now. The engineering plate is no longer available.
You can edit posts once you advance further in trust levels on the forum.
Welcome to the forum.
Originally, the Bambu Smooth PEI plate was a replaceable PEI sticker on one side, with the Engineering surface on the other side. The “Cool” plate was similar, a sticker on one side, Engineering surface on the other. AFAIK, neither type of sticker nor the engineering plate is available today.
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