On a larger scale, you have Clickspring on Youtube who does wall clock machining. He's doing a series now on building the Antikythera mechanism. Even that's blo

On a larger scale, you have Clickspring on Youtube who does wall clock machining. He's doing a series now on building the Antikythera mechanism. Even that's bloody impressive; then you can imagine squeezing the same into a 45x45x10 mm cylindre... http://www.clickspringprojects.com http://www.clickspringprojects.com