I keep seeing wedding cakes separated by a round band or ribbon. I can't find anything for sale besides regular columns and plates. How is this done? Is the separator sold online and then covered with ribbon or is there a neat trick for making them? I'll try to link an example:

http://www.google.com/imgres?hl=en&client=firefox-a&hs=Fso&sa=X&tbo=d&rls=org.mozilla:en-US:official&biw=1106&bih=790&tbm=isch&tbnid=nVa54qtgFMqaHM:&imgrefurl=http://www.flickr.com/photos/consumedbycake/4482486516/&docid=VLDTh5Lab057oM&imgurl=http://farm5.staticflickr.com/4011/4482486516_c10148e754_z.jpg&w=427&h=640&ei=ezv0UIvYAYWFiALNrIDwCw&zoom=1&iact=rc&dur=443&sig=100960713993589710026&page=1&tbnh=150&tbnw=98&start=0&ndsp=35&ved=1t:429,r:5,s:0,i:99&tx=45&ty=59

Ribbon-covered styrofoam dummies.