Number five in a series, ''Imploding Cube'' consists of a 1.5-metre cube made of [[aircraft aluminium]] mounted on one of its [[apicesApex (geometry)|apexapices]]. Each face of the cube points inwards to create a [[cube]]- shaped [[negative space]] at the centre of itself. A [[Bearing (mechanical)|bearing]] sits underneath the apex, which stands on a pole, allowing the cube to revolve in the wind.<ref name="Saatchi">{{cite web | author=John Simms (sculptor) | title=Imploding Cube 5 | publisher=Saatchi Online | url=http://www.saatchionline.com/art/view/artist/17124/art/826411 | accessdate=April 4, 2010 }}{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> The sculpture stands in a [[reflecting pool]].<ref name="ArtMetal">{{cite web | year=2006 | title=Imploding Cube | publisher=ArtMetal | url=http://www.artmetal.com/images/sculpture_gallery/simmsie/2006/11/imploding_cube | accessdate= April 4, 2010}}</ref>
