Perimeter editing

Enter edit mode

1. Select the plane that you want to edit:

   

2. Press "E" or click on the "Edit perimeter" button:

   

Move perimeter points

1. Click on the point that you want to move/edit:

   

2. Move the point to the desired position:

   

3. Repeat with any other point:

   

Finish edition

1. You can finish editing the perimeter by pressing "S" or clicking on the "Finish" button:

   

Add new perimeter points

1. Select the point that you would like to add in between two existing points:

   

2. Move the new point to the desired position:

   

Delete perimeter points

1. Select the point that you want to delete:

   

2. Press "Del" or click on the "Delete" button: