although it took absurd 60 bricks(120 stone) in earily game,but other thing make it actually a great way to provide dif efense,and even out-match default turret sometime(if install aai vechicle).

but I am wondering if we can make more like stone bounker(only cost small amount of stone and use pistol as weapon),
rocket launcher and more,even you can consider give it a grid to allow further appication,the potential of this mod is unlimitness.

This is only a first version, so balance will be changed, currently thinking about decreasing tech cost and time as well as decreasing the cost a bit. I will think about several types of bunkers.