other souces not on thingiverse
http://www.123dapp.com/123C-3D-Model/Traditional-Sofa/593249
and this
https://tinkercad.com/things/9JykbyWU8r3-coffee-and-cup-cake
and
http://www.thingiverse.com/thing:272048
and
http://www.thingiverse.com/thing:231329
and
http://www.thingiverse.com/thing:236123
and
http://www.thingiverse.com/thing:18982