Creality ender 3 s1 first print July 8, 2019 16 32 64 128 Creality ender 3 s1 pro first print Creality ender 3 s1 pro software Creality ender 3 neo start Creality 3d printer ender 3 Creality ender 3 program Creality 3d ender 3 3d printer