At the age of 12, Nebraska-based artist Steve J. Lindsay was taught to engrave by his father, an accomplished jeweler and watchmaker. Now Lindsay’s been at it for over 50 years, peering into a Zeiss microscope to create these stunningly intricate designs:
If you’re curious to try your hand at it, Lindsay’s got a website comprehensively describing the sequence and techniques of hand engraving here.
Lindsay also posts videos demonstrating his engraving techniques on his YouTube channel.