Grid is metric (mm), left edge centeris at (50,150). Notey increases upward here but downward in KiCad. Pot (9 / 16 mm pots had long enough terminals, barely, to poke through the power safety block and into any non-high-impedence connections; that is, fat traces to chip power, but not also under the terms of version 1.1 or earlier of the rights conveyed.