DEar friends, I´m working on the page:
http://wiki.openstreetmap.org/wiki/3D_modeling
maybe it could help with 3D models in Mexico: http://demo.f4map.com/#lat=19.4318345&lon=-99.1316338&zoom=16&camera.theta=60.756&camera.phi=-4.297
Compare my village:
http://demo.f4map.com/#lat=49.5478119&lon=11.0255715&zoom=18&camera.theta=80&camera.phi=133.786
Best regards!
Marek