Make your own Minecraft grid of rooms! Good for parkour maps! Instructions: Dimensions: The dimensions for the grid. This is the number of cells along one side and the number of cells along the other. Block: Enter the block ID for the desired building block here. Check spelling and case. Go in direction: Choose the direction for the grid walls to extend from the starting coordinates. Cell dimensions: the width and length of each cell (in blocks). Next: next page of options Starting coordinates: The corner of your grid you want to start from Add a floor to the grid: An option to pave the bottom of every cell as well with the chosen building block
You may need to go see inside to be able to copy the whole command.