To draw a character consistently and convincingly over an entire story or series, you need a serious reference library--all professionals use them. ... Use reference photos to: Trick viewers into seeing 3-D places, people and things by leveraging art techniques like foreshortening, shading and perspective.

Do professional artists use references?

Professional artists are using reference more often than not but some use it more than others. Some professional artists use reference only as a way to develop their ability to draw or paint but avoid using reference directly when they are creating an original piece.

Is it OK to reference other artists?

No. Use photos/real life references instead. Only if the artist clearly states they're ok with it.