On a white canvas as usual, that's where I put ideas to improve the quality of the painting. Of course, here I use a black pencil as usual.
This painting was made with the help of the Ibis Paint X apk by scribbling, bit by bit, accurately, exactly like the object being painted.
The most difficult thing to paint in this way is when we determine the dark and light of an object, because without it the painting will feel empty like food without salt sprinkled.
This is the process from the first stage to completion: