If you have MicroStation, you may publish AutoPLANT .dwg file to i-model, so you get *.i.dgn (read-only) in 3D.
Here may be an answer for you: communities.bentley.com/.../118140.aspx
If you have MicroStation, you may publish AutoPLANT .dwg file to i-model, so you get *.i.dgn (read-only) in 3D.
Here may be an answer for you: communities.bentley.com/.../118140.aspx