A very useful macro for building in minecraft! Instructions: 1) Download the macro. 2) Set to any convenient key for you. 3)Set the operating mode to 'while the key is pressed'. 4) Enjoy the game! :D P.s. The macro is very good, I personally use it.
Download the program (Download) and go to the macro editor
press the button «Open file»
and select the downloaded file
assign a macro to a key and run the program