Make paper toy matrice

IS there a way to make unfold your 3d model to put it flat.
similar to http://www.tamasoft.co.jp/pepakura-en/
or
unfold in sketch up
https://www.youtube.com/watch?v=FkeoQh0PBFU

thanks to let me know

max

Add seams to selected seams (Ctrl+E) and U to unwrap
http://wiki.blender.org/index.php/Doc:2.6/Manual/Textures/Mapping/UV/Unwrapping

Paper Model export addon http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Import-Export/Paper_Model