Taipei (Taiwan): manual assembly of Optimus Popularis keyboards. Pictured: key mechanism is being installed into the metal frame of the keyboard.

Taipei (Taiwan): refinement of the Optimus Popularis keyboard assembly process.

Taipei: a horizontal boring mill with digital controls is cutting an Optimus Popularis keyboard frame out of an aluminum plate. The mills are running around the clock and take three hours per frame.

Taipei: Optimus Popularis keyboard going through a mechanical test. Pictured: special equipment determining how many keystrokes Popularis keys can withstand.

Taipei (Taiwan): a worker soldering components of another typing plate version for Optimus Popularis keyboard prototype.

Taipei (Taiwan): an engineer testing sensitivity of a membrane matrix prototype for Optimus Popularis keyboard.

Optimus Aux functioning prototypes in Taipei, Taiwan.

Taipei: engineers are testing a printed circuit board for Optimus Mini Six.