Kit works well and fits my Ender 3 v2 perfectly. There were some 3D printed parts in the kit but my printer didn't need them. I have to say I was impressed with the quality of these parts and was intrigued by the thread and machine used. They're good enough, I didn't even realize they were printed at first. I have 2 complaints and why did I give 4 stars instead of 5. First there were support blocks at the top. This is actually a bad idea and I tried it, but quickly removed it after a test print. So it's not a big problem because you just can't use them. The second issue, which is my biggest problem, is that my lead screw isn't straight. In general, I just need to buy high-quality screws and couplers. However, I recommend the kit because the double Z makes the printer much more reliable when leveling.
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