blender

Please click here to download "blender".

How to control(Keyboard)

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.

How to control(Mouse)

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.

Export object file(.obj)

File --> Export --> Wivefront OBJ(.obj) --> Export Wivefront Export