Toolbar
The toolbar is mainly a mirror of the main application menu in term of functionalities. The toolbar can be pin/unpin in application north and south position.
Toolbar is divided in two parts: the tools and the mode shortcuts. Notice the right part of the toolbar contains the name and version of the application.
Tools

From left to right
Open Model
Open Folder
Save Model
Rotate Views
Synchronize Views
Reset Views
Show/Hide Axis
Show/Hide Rulers
Open Appearance Settings
Note
To open a folder, the folder should be a valid scan folder.
Mode Shortcut

From left to right
2D Mode
Defects Mode
3D Mode
Mapping Mode