Use the number pad to type in very exact measurements for your work.
- Draw an object on canvas or select from an existing one
- Tap on the displayed dimension or angle
- Enter a precise measurement and tap the green Checkmark to accept your entry
You can see and change the direction for which the entry will apply. A small orange arrow head appears next to the displayed length. It point in the direction of the side of the line that will lengthen or shorten.
To change the direction, tap on the orange "Change Direction" icon in the dialog/