Left mouse button is used for rotating 3D objects. The right one is used for scaling of the objects.
File Menu contains the following commands:
Open - opens files via standard Windows dialog box.
Autostart - makes the current document to be automatically launched at the program start up.
Options – opens Options window.
Edit menu contains the following command:
Copy 2D Image – copy 2D image into clipboard;
Copy 2D Image with Antialliasing – copy 2D image into clipboard with antialliasing;
Switch Rotate\Pan - swith the left mouse button function: rotate or move object.
Image menu contains some commands, tools and settings to display 3D object on screen.