What is a Hotend? 
 A hotend is a device that heats and melts filament for 3D printing. It consists of a heating element, a thermistor to regulate temperature, and a nozzle through which the melted filament is extruded. The hotend is a crucial component of a 3D printer, as it allows the printer to build objects layer by layer.
But in simple terms, It is called a "hotend" because it gets very hot in order to melt the plastic but for some reason.. nobody ever talks about the "coldend" go figure.
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 Proudly Made In The USA