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Gizmo Dorks PEI Sheet 3D Printer Build Surface 235mm x 235mm (9.3" x 9.3") with Preapplied Laminated 3M 468MP Adhesive for Creality Ender 3 or CR 20 | Made in The USA [link]
I use nothing after buying a PEI sheet. I can print initial layer at 50mm/s with no adhesion issues. I didnt buy the flexible powder coated one, I bought this one that come with adhesive backing. [link]
I just flipped the glass bed over to the plain side and stuck it to that side. That, combined with a bltouch and some time setting offsets and tramming, has made printing an enjoyable experience.
I'm going to try the flexible powder coated on next.
Get yourself PEI sheet for your bed
You'll never need glue stick or hairspray or anything of that b.s. I personally would never use anything on my bed but that
I was having alot of issue with bottom warping like you are seeing, I found it had alot to do with drafts where I had my printer, also a 5-6mm brim with a 0.05 gap between it and the model works well. I ultimately just grabbed a sheet of PEI for my glass bed. And holy cow that stuff is great, have not have any issues since. Prints stick like crazyglue. the only negative is you have to let the bed cool down quite a bit after the print to pull it off the bed, you have try at higher temps but it just becomes really hard to remove the print, but honestly you should have for the bed to cool naturally anyways so nbd. [link]
They're inexpensive and do a great job with adhesion. You'll still get the shiny surface same as glass. I picked up the sheet from Dorks and it worked great. [link]
I purchased 2 of these so far. Nice and thick. And last forever
Both sides of my glass sheet were hit or miss, then I got a PEI sheet and applied it to the smooth side of the glass plate. Prints stick extremely well, no curling or early releasing. The biggest inconvenience you'll have is putting your build plate in the freezer to encourage the PEI sheet to let go of your print. [link]
I would recommend Gizmo Dorks on Amazon, it's a bit more expensive than others but it's pretty thick and durable. It's a bit cheaper from other vendors, but also much thinner pieces at 0.1mm, which I imagine wouldn't last as long.
I’ve been lurking on this sub for a while so I did a ton of prep before I actually got the printer. I got a pei bed, which I believe makes a huge difference with the first layer. Also, i dont know what filament you’re using but I’ve just got the basic white hatchbox stuff from Amazon. Other than that I just spent a ton of time leveling the bed. Hopefully you can get it working!! PEI Bed
I use a creality glass bed with a Gizmo Dorks PEI sheet on the non textured side. It seems to work great for now. I've been using it for a couple weeks and haven't had any issues. But it's not flexible of course.
$16. I'll try a flexible PEI sheet when mine wears out. I wanted to try PEI as a surface and felt $16 was worth trying it out. After doing so, it was worth every penny.
Don't just drop a random plastic sheet on top. PEI is a special kind of material that grips the filament very well, too well if you try printing with TPU. But, it is great for PLA and PETG. You can buy it in a thin sheet that sticks to the top of your glass or you can buy it pre-applied to a magnetic sheet of metal that usually comes with a magnet you stick to your heated bed. The PEI can withstand extreme heat, but I've been told the magenet loses its effectiveness if it is heated above 90C.
I purchased a PEI sheet from Amazon that I stuck to to one side of my glass. I immediately saw a huge difference. There are several different vendors/manufacturers, I just chose that one because I had seen the name elsewhere.
This is the bed I've been seeing people rave about: PEI. I think it would go on top of your glass. If I'd done more research before upgrading my bed I would've gone with this. But my tempered glass bed is working great for me.
I was having the same issues with creality’s textured glass, a cheap solution for me was an adhesive PEI sheet. Something like this. Scotchbrite or 800grit sandpaper helps refresh the surface after time.
I bought one of these, and have had the opposite problem with my glass bed. I have a hard time taking my prints off.
Is it the one with the textured surface and says "Creality 3D" on the edge? If so, DO NOT use alcohol to clean it. Even then be careful when cleaning or using the scraper to remove prints. That coating WILL start to peel eventually and when it does, I can't recommend at PEI sheet enough. Amazon sells them for $15. Say goodbye to non-sticking first layers forever if you get one of those. Also, because of the smooth surface of the PEI, the bottom surface on all of your prints will be baby butt smooth. This is the one I have. [link]
The problem is that people still refer to information from 10 years ago in regards to 3d printing and wont let go of it. Hairspray and glue stick are one of those ideas that needs to be buried.
Buy some PEI
and apply this to your glass. Then just wipe it with isopropyl once and a while.
Then the only time you will use gluestick is when you want less adhesion. To give you an idea, I can turn on my heated bed and get old prints to stick again.
I switched to the smooth side of the glass and applied a PEI sheet to it. Prints stick fantastically well. [link]
i wish to share my experience with this advice.
I did this. went to lowe's, paid $4 for 2 pieces of 3mm mirror cut to size.
and proceeded to literally fail almost every cheap adhesion technique out there. so if that happens to you, dont be discouraged.
i failed clean glass (no adhesives), failed glue stick, failed hair spray, and finally failed sugar water. cleaned each religiously with 99% isoproyl, everything was fine. 5 point layer test showed perfect layers (https://imgur.com/a/JPZqbks#ueqqWi7 - im talking perfect,), but during an actual print, it would fail due to bed adhesion unless i had an obscene amount of brim/raft to secure things.
decided to head to amazon and pick up a piece of PEI sheet and have never looked back. put it on the mirror tile i was using and boom out of the last 40 or so prints ive not had 1 failed adhesion yet. i picked up the one from gizmo dorks as it already had the adhesive attached to the PEI and install was easy enough (this is the one i chose https://www.amazon.com/Gizmo-Dorks-Preapplied-Laminated-Adhesive/dp/B07GSJSDWR/ref=sr_1_3?keywords=pei+sheet&qid=1558833899&s=gateway&sr=8-3 )
so OP, take this story as you will, some people get away with no adhesives, but I could not for the life of me find out why nothing would stick to my cut mirror.
heres the one I use, its ender 3 bed sized.
This is by far one of the two best upgrades to my printing experience: [link]
This is the one I bought over two years ago and it's great!
This is the one I got, it says it's .56mm thick and I can't imagine needing anything thicker than that.
this is the pei sheet but its no longer in stock on amazon
this is the pex sheet that I use now
keep in mind that you have to put these on something like a sheet of glass spring steel sheet. I went full in on the whambam system and got their magnet sheet + spring steel sheet and its amazing. I just tossed my scraper in the long term storage bin since I dont need it anymore
LOL, it just came off the bed. Just and adhesion issue. Scrub your glass with soap and water and then don't touch it. Or if you want it to never come off again just get this and stick it on top of your glass.
Yes. It will fix all your adhesion problems, or at least it did mine.
A PEI sheet. And yes CURA, version 3.6.0.
Only 8? Wow, you haven't seen anything, stick around and mod some stuff and your time will add up...
BTW Lol just add this to ur bed and you'll scoff at your past problems.
I've been using this one for the past half-year, it comes in with a protective sticker on top!
The creality glass bed surface is kinda trash after a little while, I was having issues with corners lifting flipped it over and threw a cheap PEI sheet on and have had virtually no issues with getting consistent prints now.
PEI used to come as stickers: flat sheets with adhesive on one side for permanent installation on a rigid bed. Like so: [link]
Flexible, magnetic PEI sheets are a more recent innovation, and are much better than the old way. Like this: [link]
(Note that I'm not advocating anything in those links, they're just examples I could find quickly.)
Or even, buy a PEI sticker and put it on that flexible magnetic print surface its much cheaper plus, you get the flexibility, you get the stickiness, but you lose the temps :(.
Edit: Either way this works very well for me (WARNING: do not print PETG on this as it will not be removable at the end of the print.)
Put some PEI on that side of the print bed, hopefully, your not using PETG because if you are, your prints won't be removable.
I'll post a link here:
Edit: Don't worry about the price, it is a legit product and I can confirm it is worth the money, if printers came with PEI, honestly they could charge a lot more, and you'll find out why ;).
Oh, and quick expert tip with this bed surface, make sure you get your sticker on correctly, once you heat that sticker up, it literally becomes unmovable from the glass. And I know your probably going to think a month into this investment, "Oh PETG will be fine, I mean how well can it stick?" Believe me, when I say this, it sticks too well and is irremovable, but if you do find yourself in a situation where you can't remove the print (PETG or not) put your print bed in the freezer, for reasons I can't explain perfectly, it helps release pressure between the print and the PEI, and allows you to remove the print with force.
I had a bit of adhesion problems when I first transitioned to boro glass. I opted not to use hairspray or gluestick and instead went with a sheet of PEI that a stuck on top of the glass. Here's the PEI sheet I bought as an example on Amazon by Gizmodorks. You can likely find cheaper alternatives with a little searching.
No hairspray or gluestick needed unless you're using it to help release your print. Specifically, PETG sticks really well to PEI and it's recommended to use hairspray or glue to help pop prints off, but I had no problems with my PLA prints releasing after waiting for the bed to cool down.
That sheet of PEI solved all my adhesion problems until I decided make the switch to a textured spring steel sheet since I wanted easier PETG print removal without having to use a release agent. Honestly, it's really nice being able to flex prints off of the print bed!
Glass cutting is simple and easy. I bought a pack of 5 mirror tiles for under $12.00, cut one to size and have been using it for months.
I work in a research library that has been cranking out face shield frames 24x7 for the last several months. We use Prussa's for this. Those have PEI coated metal plates. Some have a smooth coating and others have a texture. Even PETG will come off a hot plate by gently flexing the plate. Even Amazon has these for Enders.
PEI is amazing. I can get old prints to re adhere to my bed after heating it up. I also switched exclusively to printing ABS because of it. It works with everything except Nylon.
Mine came with 3m already on the backing so I just had to carefully apply it to the glass.
Gizmo Dorks PEI Sheet 3D Printer... [link]
No affiliation. I just ordered this.
Put this on top of your glass and everything will stick.