Kingroon KP3S Pro S1 is a cantilever-style 3D printer with linear guide rails on X, Y and Z-axis to enhance printer head stability and accuracy for increased printing quality. Based on a titan direct drive extruder with a 3:1 gear ratio, Kingroon KP3S Pro S1 is able to print various 3D printing materials, including commonly used PLA, flexible materials like TPU and PETG.