Thought to share this build a player made on our play.deafblindminetestgaming.com Minetest 5.4.1 server…

It’s a combination of a… Automatic grinding of cobblestone to gravel for sieving, which outputs get sorted and if needed smelted down to their respected ingots across two furnaces!

Neat isn’t it?

Now I should probably get my house up and running sometimes hehe.