Hi
Sorry in advance my native language is not english 
I bought the ender-3 V4 and I am totally new in 3D printing.
Im really happy with the printer but I wondered is there any accessoir or improvement / upgrade parts for this model? there is so many stuff for the other ones but I cant find any thing for that one..
It says it works also with bigger or smaler nozzles but the only one I can find to buy is the 0.4mm.
is there something in planing or is creality not planning to invent additional parts like different nozzles, hot extruders, etc for this model?
Im a little bit confused. there is so many parts to add for the other ender models but nothing for that one?
Are I am really the only one how got this printer ??? no one??? Sad 
You’d better not buy random 0.6/0.8 mm nozzles yet. First confirm whether Creality sells compatible assemblies or whether the V4 uses a proprietary nozzle.
they advert that you can used it with 4 different nozzle size with unicorn quick change. they have unicorn nozzles in the shop but customer service cant tell me if they fit…. 
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Strange! At least they should tell confidently about something they already claim in their marketing contents!
the original nozzles work best, i tried various nozzles with my printer, and came to realization, that it is worth it to use brass nozzle (the original one) even for printing abrasive filaments such as glass fibre or carbon fibre, the nozzle will be trash after few small prints, but it prints so much better than with unicorn or hardened steel nozzle - as the brass version keeps the temperature more steady and therefore the precision and layer bonding is superior.
So i would suggest to stay with the OEM equipment on this one, as the printer head maxes out at 300°C, this also means, it’s low power and is probably the reason it can not keep up with the heat exchange that is needed for hardened steel etc.
If you want to just print quicker, then use different filament or just increase layer height, layer height may reduce printing time by half if you go from 0,2mm to i think 0,38mm is the max
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They won’t fit, I bought by accident (asked chatgpt) and it was just wast of money. Hopefully creality will make V4 0.6 nozzles
Yes bcs if I knew that they dont sell the nozzles for it I may bought a nother printer… its really annoying
Hello. Yes, it’s unfortunate that there isn’t a nozzle with a different diameter available. Gemini misled me just as ChatGPT misled you. I bought a 0.6mm K1C nozzle for my Ender-3 V4 printer. After taking measurements with a caliper, I had to grind down the thin tube and the brass heating and cooling sections of the nozzle. I also had to shorten the thin tube by 4mm and cut a retaining groove into the cooled brass section. The nozzle tip itself is 2–3mm shorter, but bed leveling and printing went fine. Traces of the threading remained on the heated brass section, which theoretically impairs heat transfer. I managed to achieve stable printing with PET from bottles, albeit at speeds up to 50mm/s. I hope to find a more engineered solution—ideally, an off-the-shelf one.
