This in turn prints onto a transfer paper, from which the ink is applied to the PCB in a T-shirt printing press. [Spencer] took the advice of creating boards with all-white silkscreen applied ...

This in turn prints onto a transfer paper, from which the ink is applied to the PCB in a T-shirt printing press. [Spencer] took the advice of creating boards with all-white silkscreen applied ...

Andy Warhol's Cow (F. & S. II.11) is a good example of this. Silkscreen printing is used for small to medium 'runs' of prints. This process can be quite time consuming as it is done manually.