cube.lua

os.loadAPI("buildSupport.lua")
os.loadAPI("userInput.lua")

length = tonumber(userInput.getUserInput("Length: "))
width = tonumber(userInput.getUserInput("Width: "))
height = tonumber(userInput.getUserInput("Height: "))
orientation = width % 2

turtle.up()
turtle.forward()

for i = 1, height do
    buildSupport.buildFloor(width, length)
    if orientation == 1 then
        turtle.turnLeft()
        turtle.turnLeft()
        turtle.up()
    else
        turtle.turnRight()
        turtle.up()
    end
end