cc-tweaked-lua/build.lua

args = {...}
intLength = args[1]
intHeight = args[2]
for i=0, intHeight do
    turtle.placeDown()
    for j=0, intLength-1 do
        turtle.forward()
        turtle.placeDown()
    end
    turtle.up()
    turtle.turnLeft()
    turtle.turnLeft()
end