# Auto-smelter: a double chest of raw iron in 36 min (100% of 8 blast furnaces) · ~8 stacks of coal · 108 blocks · rests # https://vjeux.github.io/redstonepedia/circuits/smelter/super-smelter-8-blast.html name: super-smelter-8-blast circuit: smelter 8 port items: 0 4 0 port items.b: -1 4 0 port fuel: 0 2 1 port output: 8 -1 0 origin: 0 0 -1 palette: X minecraft:stone r minecraft:redstone_wire K minecraft:comparator[facing=west,mode=compare,powered=false] P minecraft:repeater[delay=2,facing=west,locked=false,powered=false] t minecraft:redstone_torch[lit=true] O minecraft:hopper[enabled=true,facing=east] F minecraft:blast_furnace[facing=north,lit=false] Y minecraft:hopper[enabled=true,facing=north] E minecraft:hopper[enabled=true,facing=down] D minecraft:hopper[enabled=true,facing=down] T minecraft:hopper[enabled=true,facing=east] L minecraft:hopper[enabled=true,facing=east] layer -1: ........... OOOOOOOO... ........... ........... layer 0: ........... FFFFFFFF... YYYYYYYY... XXXXXXXXX.. layer 1: ........... EEEEEEEE... TTTTTTTT... rrrrrrrrrX. layer 2: XXXXXXXX... DDDDDDDDXX. ........... .........rX layer 3: rrrrrrrrXXX LLLLLLLLKPX ..........X ..........r layer 4: ........rrr ..........t ..........r ...........