Feyling was Head of design at the Norwegian earthenware producer Stavangerflint AS from its foundation in 1946 until 1955.
He was a member of Stavangerflint's management team and created the company's design program for the production start in 1949 and the following years.
He was trained as a ceramist before World War II and then employed at A/S Egersunds Fayancefabriks Co until 1946.
The designs were either sprayed, hand painted or made from ready-made transfer pictures.
He created many series of exclusive objects for gifts and decoration, as well as a large range of souvenirs for cities and tourist sites in Norway and abroad.