Ender 3 v3 se prusa slicer settings July 8, 2019 16 32 64 128 Ender 3 v3 se prusaslicer settings Ender 3 v2 cura setup Ender 3 to prusa Ender 3 s1 retraction settings Ender 3 s1 setup guide Ender 3 s1 printing speed