Because there are variables beyond my control (clays, papers, water, mixing errors and etc) always pre test fire what you have before a big project. No guarantee can be offered that 'alternative" commercial paperclays now on the market will meet the all the performance advantages of my high performance trademark P'Clay® brand only available from licensed manufacturers/distributors.
Sand Cast forms
Karen Hvsabo, (Denmark)
outdoors/large scale forms
Snow in Banff, Canadian winter -40 below, sun on the same paperclay porcelain no grog! in summer 40C above.
Brickyard Angel by Dave Porter at Archie Bray, Helena, Montana USA,
wood fired stoneware paperclay
Sand cast earthenware by Rosette outdoors near Seattle. More on sand cast in my books.
and work by Birgit Krogh (Denmark).