Why? For what?
Need an illustration? Why? What for? My feelers are way up. Because the drawing should be a solution. An answer to a question. What is that question? What goal do you want to achieve with the drawing? I'll dive right in there and pepper you with questions. Drawing to achieve a goal is like sailing. I provide the boat and raise the sail, but nothing happens without a good breeze. The more clear the purpose and the question, the more acceleration you gain. That way the drawing takes shape too.
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Shaping thinking with drawing
To be able to navigate I listen to your briefing with pointed ears. I analyse your question and the possible solutions while drawing. Is this what you mean - or did you mean something different? Illustrating is an exploration. Sometimes a search to the true meaning.
For me it's exciting how someone responds to the first proposal. It could go every which way. From: "What does this has to do with it?" To: "Never thought of that, good idea!"
I keep drawing until we have the right solution (within reasonable limits).
Eventually there is a set of illustrations or an animation with which you will achieve your communication goal.
Enough is enough
I bring my A-game. Because that analysis can generate a lot. Like a saving on your communication budget. Often I get asked for a animation but after an exploratory meeting we reach the conclusion that an infographic will get you to the right destination too. I will always go for the quality in the one picture. Nor for my pension pot.