De La Rue, the Bank of England's currency printer, is closing in on the £300m sale of one of its two core businesses – a move that will pave the way for a takeover of its remaining operations.

Just a few years ago, around $500 would get you a 3D printer you'd likely have to spend hours assembling and calibrating—and then, you'd have to pray for a decent print. As the excellent Bambu ...