pyramidsize = 4
remsize = pyramidsize
slot = 1

turtle.select(slot)
turtle.up()
while remsize > 0 do
    for i = 1, 4 do
        for x = 1, remsize do
                turtle.placeDown()
                turtle.forward()
        end
        turtle.turnLeft()
    end
    turtle.up()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    remsize = remsize - 2
end
turtle.placeDown()