On 11/01/2019 11:03, FMurtz wrote:

I just posed the question in Australian woodwork Forums (which is full
of woodwork people and carpenters) and overwhelmingly 4x2 (only one
dissenter)

isn't there something to do with the direction it was cut from the log
that determined if it were 2x4 or 4x2?
I don't see many DIYers knowing there was a difference.