Ender 3 pro sprite extruder cr touch July 8, 2019 16 32 64 128 Ender 3 pro sprite extruder cr touch firmware Ender 3 v2 sprite extruder pro cr touch firmware Ender 3 v2 sprite extruder pro cr touch Ender 5 sprite Ender 3 installing cr touch 3d touch on ender 3