What printers does this fit?
- Ender 3
- Ender 3 Pro
- Ender 3 V2
- CR-20
- Voxelab Aquila X1
Kit Contents:
- 4x M4 screws with T-Nuts for bearing blocks
- 2x All-Metal Z Bearing Blocks for Z Rods with Bearings Pre-Installed
- 2x M4 Screws with T-Nuts for Belt Pulley Bracket
- 3x M5 Spacers for Gantry Bracket
- 3x M5 Screws for Gantry Bracket Wheels
- 1x ACM Tensioner Bracket with Idler Preinstalled
- NEWÂ – 2x M4 Washers included for the ACM bracket bolts to prevent damage from over-tightening included in all kits shipped after 4/1/20.
- 2x M8 Pulleys for Belt
- 1x GT2 Belt for Linking Z Rods
- 1x Z Rod for Motor Side
- All-Metal Dual Z bracket with brass nut and 2x M3 Screws
- NOTE: Brass nut and 2x M3 Screws provided in parts bag (may not be installed in the bracket)
- Installation Guide Link
- PSU Relocation Downloads
Installation Video
Warranty Information
3 Months Warranty -Â Our warranty covers any and all defects with the product. If your product fails or has problems within the warranty period you can contact our support team by using the Contact Us link.
Damage/Failure due to improper installation, improper usage, failure resulting from an issue with the machine the product is installed on, 3rd party products connected to our product, and/or modification of the product are not covered under warranty.
w0eb (verified owner) –
Got mine yesterday (7/17/2019) and even with no printed install instructions available I had very little trouble installing it. You do have to be careful not to lose the small parts and get the POM wheel spacers installed correctly on the second X-Gantry bracket but once you have these on and the eccentric nut adjusted for snug but smooth movement it’s great. I’ve seen a lot of negative posts from the know-it-all’s saying you don’t need this, it’s too expensive, and a bunch of other negative things, but folks, this thing solved a nagging problem I was having of the Z axis skipping a layer due due to the X gantry sagging on the un-driven end.
Adding this and once I had both ends synchronized so the bottom ends were both at exactly the same height before tightening up the belt, it runs smoothly, makes manual bed leveling (tramming if you prefer) a bit easier (I don’t have an EZABL installed) and on the few pieces I’ve printed since installing it the vertical surface(s) are a bit smoother.
In my opinion as a hobby user (I don’t sell my prints) Creality should have included this in the original printer in the first place. It may not be a MUST have, but it sure makes mine work much better than it did originally.
Jim Sheldon
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Justin (verified owner) –
Installed this along with converting my Z axis to linear rail, and couldn’t be happier. No z sag and constant adjusting anymore. Thanks TH3D.
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35sdca (verified owner) –
Removed the screws and added the standard spacers. Then did this dual z. Works like a charm! I bought the autoleveler previously but haven’t installed it because this solves my problem. No calibration needed, it really helps!
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Chad Sullivan (verified owner) –
The sagging axis on my ender bothered me, not only because it looked ridiculous, but it was causing other issues. Excessive wearing of the rollers from supporting a cantilevered beam, print inaccuracies, etc. But over time it became a pressing issue once it began to introduce variance and unpredictability. Sure, it’s a cheap printer, “it’s to be expected at this price level.” No it’s not, I’d call the level of movement and variability in that axis unacceptable. It made it so that even with ABL, first layers were all over the place. Some buried into the print surface, some not adhering at all. Glue on glass, really good surfaces worked, but felt like that was a band aid. I’d tram the bed, then post print do a bed visualization, and it would be wildly different. Heavy springs and witness marks on the fittings, the bed didn’t move.
This solved all that. Perfect and repeatable first layers, even layers across the bed, set it and forget it leveling. If nothing else it’s a cheap upgrade that should have been stock. Plus, if you’re in it to tinker, you’ll have to move the power supply, which brings about all sorts of creative options.
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David Welch (verified owner) –
I was going crazy trying to get the gantry to hang level on my Ender 3v2. After many hours of Google-Fu I came to the conclusion that I could either live with it or add a dual z kit. I almost bought an electric kit until I came across this one. I like that it’s all mechanical and I won’t have to worry about routing wires for another stepper motor. It took me about 20 minutes to go from unplugging the printer to plugging it back in and running a test print. Just to point out, there are other kits on that jungle-theme retail site that look like this one, but this kit comes with pillow blocks that have bearings in them. Look closely at the knock-off’s pictures.
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jtgraphics (verified owner) –
Easy to install kit everything fits, if your looking for an easy way to add duel Z drive to your printer this will do the trick.
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pastorjamesbr (verified owner) –
Didnt really need to get this but thought i would try it out. I use a Bltouch and had minor problems with gantry level but was able to adjust the wheels to make it work. I thought i would the dual z out and it works better than i could hope. This turned from a item i dont need to something i am glad i have. It was easy to install (took time to do it right) and now my Ender 3 is works flawless on every print. I will be buying another one for my other Ender. This is something that Creality needs to put as stock.
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w0eb (verified owner) –
Update to my earlier review. Since installing and getting everything adjusted right, including manual bed leveling, I haven’t touched any adjustments since. Everything is printing as close to perfectly as any of these machines can, and I’ve also found that I am now getting outstanding adhesion to the glass bed without any adhesive at all. I did a very thorough cleaning with dish soap and water plus followed that up with a denatured alcohol bath to make sure the glass was squeaky clean. Since that, an occasional alcohol cleaning has kept it working great. Haven’t tried ABS yet but I suspect that WILL need some adhesion help considering the high rate of warping with ABS.
Before installing the Dual Z Axis mod from TH3D, I had to re-level every several days and had to use Layerneer’s “Bed Weld” to get things to stick. Hopefully won’t need any more of that except for ABS.
Jim Sheldon
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jhale85446 (verified owner) –
This upgrade is amazing! I was constantly fighting my X-gantry level since building the printer. Install took much less time than I expected, and the instructions from the forum were helpful. First layer z-offset is much more consistent now. I also did not realize how much this upgrade would improve print quality. There is virtually no z-banding now, and the external perimeter surfaces are super smooth. This upgrade is an absolute must for your Ender3. Thank you TH3D!
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CHARLES A LOOS (verified owner) –
Loveit! Best I got now I can actually print again
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mikerothgeb (verified owner) –
was really easy to install. great idea to improve printer. Was dreading taking the gantry apart, again, to tighten up the screws. now I suspect it will be a non issue in the future.
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Field Audit Services (verified owner) –
Was a PITA for moi to get everything correctly aligned and squared and leveled. But worth the effort by far! My Z axis has never been smoother, with zero binding, even with the print head and DD motor over there, smooth as a babies bottom! Not surprised to see this fantastic and affordable upgrade sold out! Sooo glad I got mine already! Christmas will be a 3d printed gift year! Thanks for all the cool stuff, Tim!
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JimH (verified owner) –
I noticed my Ender3 gantry was starting to sag. Even after leveling and adjusting it just a few prints later it was sagging again. Following the instructions they provide on the support site, with lots of pictures, it was a quick and easy install. No more worrying about my X gantry being level. Thanks TH3D!
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Ken (verified owner) –
Works great on my CR-20 Pro, helped to improve the accuracy of my probe and removed any sagging of the gantry. It was a little bit of work to get everything aligned properly, but in the end, it went together fine.
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