Ender 3 print speed klipper July 8, 2019 16 32 64 128 Ender 3 s1 klipper print speed Ender 3 v2 klipper print speed Klipper for ender 3 s1 Ender 3 s1 printing speed Ender 3 s1 max print speed Ender 3 pro faster printing