45/s Iron/Copper plates in the same footprint as a traditional furnace stack.</br> Does need a legendary pole for one to completely fit in the footprint, but whatever.</br> 20.62 Ore/s</br> 0.412 Calcite/s</br>
22.5/s Steel</br> No legendary pole required. One tile longer, but still fits.</br> 26.87 Ore/s</br> 0.537 Calcite/s</br>