File formats - website survey 2018

Question Title

* 1. In connection with specification of a BLÜCHER solution, which file formats do you prefer are available at the BLÜCHER website? (you are welcome to tick off more than one)

2D dwg (autodesk)

3D dwg (autodesk)

3D stp (step)

3D igs (iges)

3D BIM files (revit)

3D magicad

Others (Please specify)