Dwg-lines to ArchiCAD, not shown in 3D

[KNA]

Hello
I have a dwg file and in the file there´s wireframe model of buildings corner and roof lines (the file is made by a guy who have measured the existing building). The wireframe is made of lines. The problem is that when I open the file in ArchiCAD the lines only show in 2D (I opened the file in Draftsigt and the lines show ok in 3D). I´ve tried different import settings but none of them seems to help. I also created a block of the dwg file but that didn´t help either. Furthermore I created a kmz file in navisworks and imported that but no luck. Any ideas?
Thanks!

[Erwin Edel · Accepted solution]

Try opening the 3D DWG as an object: file > libraries > open object > browse for file. After that choose DWG as file type. Save the object, place it in plan view and you might have a 3D wireframe object. You might be able to then convert that to Morph edges.

[KNA]

Thanks, it worked! Now I have an other question: how can I add hotspots to the 3D model? The model shows ok in 3D window but I can´t click on the corners etc in 3D view. If I open the object I can´t see it in 3D view?
Thanks again!