Cut Geometry works with Reference Planes

1. Draw something with a cuttable category, like a Structural Column
2. Draw a Reference Plan that intersects the element (even at an angle)
3. Use Cut Geometry and click the element and then click the Plane

via
Google Translate
of
http://christiaandewit.blogspot.com/2012/05/gebruik-van-reference-planes-in-een.html