Various options to export the Bent Tubes in a project:
• Centerline: Centerlines are just 3D lines that extend from one end of bent tube to other and no diameter information is output. Only formats that can handle lines (such as DXF, OBJ and VRML) can handle bent tube centerlines. Choose Centerline type as a NURBS curve, polyline, or none to disable.
• Bent Tube Surface: Choose the tube’s surface type as either points only or triangle mesh, or none to disable.