I find this interesting because they used a food to create the negative space design. The artist may have used drape/mold for the overall bowl form and then inserted and pressed down the food to make the interesting indent.
DIY Faceted Clay Tealight Holders
DIY Faceted Clay Tealight Holders - A Little Craft In Your Day http://www.alittlecraftinyourday.com/2015/04/27/diy-faceted-clay-tealight-holders/?utm_content=buffer6dbb7&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer
Birds on a Wire maxi tealight in thrown ivory white porcelain from http://lunalighting.co.uk/