A compact, early game ore generator that uses the Sifter addon to generate the basic ores through sifting instead of just iron through washing. You can use whatever power source you want, but the best I found was a source that can push 1600 stress units. I used a windmill, but you can connect whatever you wish. The ratio is slightly off as the drill will produce cobblestone at a slightly faster rate than the millstone can handle it, but it's so little that it won't cause problems.