https://docs.google.com/file/d/0B7TtMzMu5ohockNkdk5Zd2YycUU/edit?usp=sharing

I've have not done this before (hope this works) I am including a link to my sh3d test image. The alignment of the doors/entryways seems to be correct.

BTW: Is there a better way to share a sh3d image?