Product design:

Cassiano jose vieira : CJV Tecnologia Tutoriais

Product design:

How to draw Product Design Sketching.

https://www.youtube.com/watch?v=D3Y26wv5izA

How to draw anything

https://www.youtube.com/watch?v=QgO0JgBN9LI

Painting art tutorials:

Photoshop Portrait Painting Tutorial

https://www.youtube.com/watch?v=PHWO04WFPxg

Digital Art in Watercolor - Gyoushi

https://www.youtube.com/watch?v=h0cXa9WxFVQ

Life is Strange

https://www.youtube.com/watch?v=kBh64VYVP_A

【WATERCOLOR PORTRAIT】 Bloom

https://www.youtube.com/watch?v=f6-nrQdRIqs