Discrete Lasso

Use the Mesh Tools tab > Selection panel > Select > Discrete Lasso option to pick triangles on a mesh using a discrete lasso:

1. Select a mesh.
2. Click Mesh Tools tab > Selection panel > Select > Discrete Lasso.
3. Click the mesh to define the points on the boundary of the picking area:
   Tip: To remove the most recent point, hold the cursor over it and, when the cursor changes to , click the point.
   
4. Move the cursor over the first point you entered. The cursor changes to .
5. Click the first point to complete the lasso, selecting the triangles within the polyline.

   All the triangles that lie within picking area are selected:

   

Tip: Ctrl-click, or Shift-click away from the model to deselect the triangles, but leave the mesh selected.

Use Ctrl+D to deselect the triangles and the model.