compression design for one array segment smelteries for recipes with a ratio of 1 to 1 (Iron Ingot, Copper Ingot or Stone Brick) MK3 proliferation: 7200/min per segment requires full Logistics station cargo stacking researched for full capacity with gap fillers don't forget to choose SPEED as proliferation mode !!! top segment is designed for being supplied by a seperate ILS bottom segment for one single ILS - your choice :-)