Diagram, flow chart, flow chartschema icon
![Diagram, flow chart, flow chartschema, hierarchy icon - Download on Iconfinder](https://cdn0.iconfinder.com/data/icons/usability-testing-filled-outline/128/Usability_Testing_-_Filled_Outline_-_19_-_Expand-12-512.png)
This is a premium icon which is suitable for commercial work:
- Use it commercially. No attribution required.
- Ready to use in multiple sizes
- Modify colors using the color editor
- 1 credit needed as a Pro subscriber.