Sketch to Logo - Doing by concept! Yep! It's match with a design method that arguably classic but still used by Professional Logo Designer today. Sketch is an activity to make draft or concept in a paper media using a pencil, the goal is clear, is to pour creative ideas from the graphic designer before it is actually applied into computer graphics.
Below are some examples of inspiration (tutorial) to create a logo that actually starts from sketching logo on drawing paper, I became very inspired ... how about you?