Thread. The author was PrimeToxinz, who gave anyone permission to update it as he is too busy with his personal life at the moment.
It allows you to place stacks of ingots on the ground (even from mods) on the ground in their respective stacks. It achieves the ability to work with metals from mods by using a color algorithm on the ingot model itself.
It also allows you to stack certain items such as diamonds and emeralds on the ground, as well