Create a Void Form

Create negative geometry (voids) to cut solid geometry with the Create Void tool.

1. On the Create tabDraw panel, select one of the drawing tools.
2. Click in the drawing area, and draw a closed loop that intersects solid geometry.
3. Select the closed loop.
4. Click Modify | Lines tabForm panel Create Form drop-down (Void Form). A void form extrusion is created.
   
5. (Optional) Click Modify | Form Element tabForm panel (Solid Form) to convert this void to a solid.