Blueprints have been added in Space Engineers. Players can now save their ship or station on a blueprint and paste it into their game. This was one of the most demanded features by the community, so we feel happy that it is finally in the game. We hope that players will enjoy this as well.
https://www.youtube.com/watch?v=l0miB57itm4
Full list of new features and fixes: http://forums.keenswh.com/post?id=7115815

EDIT 10/03/2014:
Update 01.050.010
- fixed slender man
- fixed crash in modded character caused by different number of bones
- fixed crash caused by meteors hitting asteroid
- fixed crash when using unsupported characters in blueprint name