Please click here to download "blender".
G + X/Y/Z
This shortcut key pattern is to move object.
S + X/Y/Z
This shortcut key pattern is to enlarge/zoom out object.
R + X/Y/Z
This shortcut key pattern is to rotate object.
Shift + A
This shortcut key pattern is to select object which you want to use.
Ctrl(⌘) + A
This shortcut key pattern is to save your project.
wheel button(mouse) + mouse gesture
This gesture is to rotate your view.
Shift + left button(mouse) + mouse gesture
This gesture is to move your view.
File --> Export --> Wivefront OBJ(.obj) --> Export Wivefront Export