Could someone please give me directions on how too make chocolate shards like in the picture below?

Thanks so much

http://www.bonappetit.com/tipstools/slideshows/2010/08/how_to_make_dark_chocolate_shards#slide=1

I hope this can give you an idea how to start. But when the chocolate is soft, no liquid, cut the pieces with a hot knife and cleaning it after each cut.