- Measure distances, create guide lines or points, or scale a model.
- Click at starting point of measurement.
- Move cursor.
- Click at ending point of measurement.
- Ctrl = Toggles create guide lines or guide points
- Shift = Lock tape measure to current inference direction
- Arrow keys = Lock line to specific inference direction (Up=Blue, Left=Green, Right=Red, Down=Parallel/Perpendicular)