[detritus]

Yet the same skill that leads to perfect flatness then also leads to being able to make something look organic and natural, should they so wish.

It's about honing ability and competence.

[robocat]

The taste for perfect imperfection.

I only just learnt about https://en.wikipedia.org/wiki/Wabi-sabi

Perhaps "artisinal" encompasses the idea?

Ira Glass is imperfect perfectionism.