+- **Navigation Cube** - allows to manage parameters of navigation cube.
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+ - **Show navigation cube on start** - if checked, navigation cube will appear in a new occ viewer.
+ - **Animation duration (sec)** - duration of animation of camera rotation.
+ - **Customize navigation cube appearance** - if checked, below defined parameters will be used instead of default ones.
+ - **Cube color** - color of the navigation cube.
+ - **Text color** - color of text on the navigation cube faces.
+ - **Cube size** - size of the navigation cube.
+ - **Show navigation cube axes** - show navigation cube own axes.
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