Tresure Island is new curated 3d model repository by Pirate3d (creators of Buccaneer). It aims to be Thingiverse alternative with models proven to be printable. Currently there are only few objects available, but maybe they will be able to create more vibrant community in the future. Maybe.
Tresure island: http://treasure.is/#/products
Tresure island: http://treasure.is/#/products