Ender 3 cura retraction settings July 8, 2019 16 32 64 128 Ender 3 v2 cura retraction settings Ender 3 pro cura retraction settings Ender 3 v3 se retraction settings cura Ender 3 s1 retraction settings Cura settings ender 3 Ender 3 v2 cura setup Ender 3 disassembly