![]() UPDATE: Please note that I made a mistake in my notes about the replacement heat break. You can upgrade the heat break easily by purchasing a bi-metallic Copperhead Standard G2 heat break from Slice Engineering which will provide much better thermal performance and will allow you to reach higher temperatures without needing to service the hotend too often. Another issue I have with the stock heat break is the thermal performance which is not as good, which causes some tiny stringing with the recommended retraction settings. The Ender 3 S1 hotend is PTFE lined, so don’t expect to print with temperatures over 240C for longer periods of time, because the tube will start to degrade, and generate harmful fumes. ![]() It does a decent job, especially considering that the heat break is not bi-metallic. In the left side of the extruder there’s also a smaller radial fan which blows air trough the extruder’s radiator to keep the heat break cool. The part cooling fan is a single 4010 radial fan located in the front of the extruder, and angled to face the nozzle to improve aiflow. The Sprite extruder on the Ender 3 S1 includes a small breakout board where the heater cartridge, thermistor, fans and CR-touch sensors are connected. But I think it’s easy to see that I’m quite happy with it. We will discuss more about the Sprite extruder in a dedicated review. But the best thing about it is that the hotend is integrated in the extruder which provides a short filament path for better filament control. It also has a 3.5:1 gear ratio for improved accuracy and torque. The Sprite extruder is quite compact, weighing ~260 grams. It’s the first direct drive extruder from Creality which is build well and doesn’t suck. The main attraction for the Ender 3 S1 is the new Creality “Sprite” Extruder. ![]() Creality Ender 3 S1 Specs Modeling technology ![]()
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