Copper ingot[]
To get Copper Ingots mine it.Copper Ignots are used to make things like Copper wire and Wiring, a good value to do wiring and doing Complex things
Other crafting[]
Another way to make a Copper ingot is to fill up the Crafting table's/Crafting station's 3x3 square with Copper nuggets.To make copper nuggets put one Copper ingot in the crafting square/Crafting table/Crafting station to make 9 Copper nuggets.One more way is to put a Block of Copper in Crafting square and it'll make 9 copper ingots, to make a Block of copper Put 9 copper ingots in a Crafting station/Crafting table to create a Block of copper.