Just trying to import this STL file into MoI, tried to convert it into DXF, 3DM, STEP format using C4D and Rhino5 trial without success, MoI didn't load anything.

Just to know what I'm doing wrong.

https://drive.google.com/file/d/0BxbefK5ByPzyNkc1R3ZQcEhHR00/view?usp=sharing