Can't view a .dxf

Found a neat little program called Teddy that allows me to draw a 3d object.
It saved as an .obj file, so found a file conversion program called MeshLab, that works great, converting to a .dxf.
The .dxf it gives me, I can open in eDrawings with no problem.
Problem- When I open the same file in LibreCAD, it acts as though it has rendered the file but I see nothing.

Alan

Alan,

Which version of LibreCAD are you using and under which operating system?
Also, where do the programs Teddy and MeshLab come from (download links)?
Does LibreCAD give any messages or codes?

I'm not saying I'll be able to help but with more information, those more knowledgeable than us might be able to :-).

Scribbler.
(GNU Linux Debian 7.0)  

If you add the file that fails it may be try to solve the problem, but...

LibreCAD are 2D program and can't works with 3D meshes