I'm not a great 2D artist at all, but I'll have to disagree with this. Even in the video you just posted you can see Feng rotating his canvas all the time. If you draw from the elbow there are certain angles that are just way easier if you rotate the canvas because you can use your elbow as a pivot point. (7:35 and up…
A little study in verve mimicking graphite sketch style. Micro tut: Start verve, press STRG+F2 to double canvas size. Mostly brush #9, size (w) off opacity (e) on, bristles around 50 at the beginning and less towards end. Paint & erase.(erase = Paint+STRG) Fine tune with brush #9 plus size (w) on, and brush #2, few…