Knitting is stupid and repetitive,not good for the intellect. But sewing and painting are both good for the intellect. In them one uses seen perception and the sense of atmospheres and thiks about life at large. In both what one does leaves a clear and lasting effect from which to remember what one did and how. In both the end result is estimated accprding to how good it is.
My quite easy advice about sewing clothes without formulae http://learntalents.blogspot.com/2017/09/sewing-clothes-without-formulae.html could propably helpin solving other kinds of problems too: how do you transform your natural insight into a detailed view of how to build such.
