Shaun D. answered 10/16/19
Learn 3D Arts for Film & Game; Maya, ZBrush, Substance, ++
Please take a look at the video example. Also, take note that there are varied ways to approach your challenge; one generally preferred method is a non-destructive approach, which is in the video.
If you'd like to learn more about Illustrator, Photoshop, or other digital mediums, I am currently accepting new students and would be more than excited to assist!