The Kingroon KP3S is a kind of DIY compact design 3D printer full metal frame and single extruder . It features with 180x180x180 mm build volume , and the default nozzle is 0.4 mm diameter . Cause KP3S 3D Printer is designed for DIY using , so about 90% is pre installed . It will just take you less than 10 minuts to assemble KP3S 3D printer. We believe Kingroon 3d printer will give you excellent and unforgetable experience of 3D printing .