The Trim button allows to truncate a selected entity or entities.
The Trim 
button can be found in the Editor tab under the Instruments section.
Select an entity and press the Trim .
Example:
| • | Create a new drawing - select File -> New. |
| • | Add a simple set of entities: |
| • | holding the Shift key pressed select both entities and press the Trim button. |
| • | set the truncating axis by two consecutive left mouse button clicks. |
| • | click on the left part to finish the trimming. |
