artisan spirit; craftsman's temperament
Describes the dedicated, perfectionist, and sometimes stubborn character typical of a skilled craftsman. Often used positively for someone who takes pride in their work, but can also imply inflexibility. Compare with 職人気質 (しょくにんかたぎ), which is a near-synonym.
See also: 職人気質
He has a craftsman's spirit and never cuts corners on details.
That carpenter is truly an artisan at heart.
Compound of 職人 (craftsman) and 肌 (skin, temperament). The 肌 here figuratively means 'nature' or 'disposition', as in other words like 学者肌 (scholarly disposition).