Dxf arhitecture file partially visible on blender

[Okavango]

See if this post can help:

[AddOn] NP Point Copy

The blueprint is a standard curve object, with its elements - segments and control points. Blender can snap to curve points just as well as mesh vertices. And if you like, you can convert it to a standard mesh object consisted of edge and vertex elements with Alt+C. As far as i know, SVG-type objects don’t exist in Blender, SVGs are imported as curve or mesh objects. This particular draft was imported as a DXF file that was made in QCAD drafting application. The main file formats for drafts out…

Also, for conversion to dxf i find Teigha converter set to 2004 ascii dxf format ok. Upon import, an obligatory scale down to 0.01, just as @flimabotelho advised, with converting the output curve to 2D and no fill in the properties panel.