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There’s a $ 30 discount on the just-released Creality K1 3D printer right now with the code: ZKK130U
That makes it $ 569 instead of $ 599 with free shipping.
Not a huge discount, but considering it’s new, if you were planning to buy the printer anyway, paying a little less is certainly not bad. Two spools of the Hyper PLA filament are also included with the K1.

The K1 is a fully enclosed coreXY 3D printer with resonance compensation, which allows for a fast movement speed.
Almost as important as the fast movement of the printer is the good cooling performance and flow rate of the hotend. Since the K1 has a maximum flow rate of 32mm³/s, it can be a bit faster than the BambuLab printers most of the time.