I think if you added a 5K6 in series with the trimmer the adjustment range would still be adequate, with the advantages that the whole range of the trimmer would give safe output voltages, it would be more finely adjustable, and there would be less power used in the trimmer.
Silkscreening is difficult, I don't think many hobbyists do it.
Silkscreening is difficult, I don't think many hobbyists do it.