Here is a blue Stargate papercraft by Planet StarFreak. It is based on the Stargate tv series and was built by the Ancients (aka Gate Builders), it is located in the Pegasus galaxy and also called the Astria Porta. It's main purpose is to create artificial wormholes between distant worlds and thus making space travel extremely quick. To get to the goods, follow the link below and head to the bottom of their page.
Pegasus Stargate Papercraft [Planet StarFreak]