Follow these steps to select Ortho tool during takeoff :
1. Open a Cubit job.
2. Select an item in the estimate to take off.
3. From Home tab, click Ortho from the Drawing ribbon Or press F8 to toggle this feature on and off as shown in Fig 1.
Fig 1. Ortho
4. Click the down arrow beside Ortho to select the angle you wish to use (Refer Fig 2).
Fig 2. Set the Ortho angle
Note: Click Ortho again, once you have finished, to draw free angles for your take off.