Why are metals smelted into the ingot shape? Would it not be better to just make then into cubes, so they would stack better?
In: Engineering
When you pack wet sand into a bucket and turn it upside down on your castle, the sand comes out in one piece as the shape of your bucket.
If you pack sand into a coffee cup and turn it upside down, likely only the first inch would come out and the rest would be stuck in the bottom of the cup.
As others have said, the angle of the walls helps the bar be removed more easily.
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