Ender 3 pro bltouch set z offset July 8, 2019 16 32 64 128 Ender 3 bltouch set z offset Set z offset ender 3 pro bl touch Ender 3 bltouch setup Ender 3 set z offset Ender 3 bltouch marlin configuration How to install bltouch on ender 3 pro Ender 3 pro filament sensor install