Illustrative Figure and data visualisation for Academic Study

I need a talented graphic designer to enhance my basic illustrative figure for an academic study. Additionally, I require two new figures created from scratch, similar in style to my original designs. The project is relatively easy and simple, and the workload is about 1 or 2 hours. Budget range: $40-80.

Requirements:
- Improve existing basic illustrative figures
- Create two new modern and clean illustrative figures
- Delivered within a week time

Ideal skills and experience:
- Strong background in academic data visualisation
- Proficiency in modern design aesthetics
- Experience with design software (e.g., PPT, Canvas, or similar)
- Attention to detail and ability to follow specific guidelines