Another interesting article if you don't mind reading: http://gizmodo.com/objects-that-couldnt-be-made-before-3d-printers-existed-1718072112 Cheers
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch