# Tools Menu

<span style="font-size: 16px;">Under the Tools menu you will find 2 options:</span>

- <span style="font-size: 16px;">‘**3D Viewer**’ (see <span style="color: rgb(226, 80, 65);">3D Viewer</span>) - to look at a surface in 3D.</span>
- <span style="font-size: 16px;">‘**Simulate surface water flow**’ (see <span style="color: rgb(226, 80, 65);">Stimulated Surface Flow</span>) - which simulates a rainfall event on the surface (this rainfall event is simulated as though the ground were a solid surface such as concrete.)</span>