By Given my frustration with painting grapes the other day, I decided to look at some YouTube watercolor videos on painting the highlights and shadows of spherical objects. I found two which I really liked, and the result is I did a number of studies, as can be seen below. Techniques include both wet-in-wet, glazing, and a few others. 
The purple balls were done with glazing; the shadows were wet-in-wet. Here and there I went in with a damp brush to soften the edges of the shadows in the grapes, or to blur paint over areas which seemed weird. Not too bad, but I do not find glazing appealing; it may be I need to improve my glazing technique.
These orange goodies are preludes to a potential painting of oranges. The one on the right was done first, but as the ink was bleeding – it was ordinary fountain pen ink – I moved on to the one on the left, which is drawn with Sailor’s Carbon Ink. I like the on the left quite a bit – the bleed into the shadow, as well as the colors themselves, which are Hansa Yellow, Pyrrol Orange, and Organic Vermilion. The brush I used was a large one, a Cosmotop 14, and the paper was the Canson pad of watercolor paper (not the Montval).
Soooooo!! Things are beginning to improve!
Journey by Paper 