Knotted chair: sentence gap fill

This is an activity based on a VIDEO CLIP. First do the vocabulary activity: 'Knotted chair definition activity'. Then watch this video clip: http://www.dezeen.com/2015/12/14/video-interview-marcel-wanders-knotted-chair-most-loved-movie/
NOW YOU ARE READY TO DO THIS SENTENCE GAP-FILL. This text shows a SUMMARY of the video: can you put the right words in the correct gap?