Linn LK sized components. They are minimalist prefection - when stacked on my self made semi-invisible rack they look like one of Donald Judd's untitled sculptures.
http://virtuell.kunstmuseumbasel.ch/apps/WebObjects/KMBSiteVirtuell.woa/42/wo/Spbh4NHmNWy62T4UQX41A1aAThA/4.1.13.5.1.1.1.1
or
http://www.guggenheimcollection.org/site/artist_work_md_701.html