Need amazing and unique illustrations for your text books, poems, children books, or training manuals? How it works: Average delivery of final concept: 3-5 business days. Ideally, for this kind of project, we would do payment per hour, since creating certain concepts might take longer than others. The standard fee per illustration: $30-120 per illustration, depending on their level of complexity. The contract includes 2 rounds of revision per set of icons. Extra services offered: I look forward to serving you!