Works in the same function cannonballs do.
Place gold bars and mould at top of bank for improved efficiency.
Start in al kharid bank with a bracelet mould in your inventory.
Haven't personally tested it since it was released, but post any bugs here.
Needs lots of babysitting for now. It can withdraw from the bank fine, but has a chance of either stopping halfway to the furnace, or will enter the room left of the furnace and stay there. Once you click it along, it'll smelt correctly. Once pathfinding is addressed, will be great.