ceramic ceramics ceramist clay earthenware functional hobbies hobby potter potters pottery art brown burned decoration flower love symbol cross heart claypot container illustration jar paint painted pot pots shelf shelves vessel wood wooden earthen earthen ware flower pot frame garden garden work order plant pot plants plate pool potters clay rack reservoir rural seasons stock storage store trivets coloring colors colouring colours cooling external fired firing glaze glazing hand-made hand-shaped high-heat kiln lead-glazes low-firing oxidization porous raku-pottery raku-ware rapid-cooling stoneware-clay style surface surfaces surfacing table-pad tableware technique texture textured textures traditional traditional-Japanese-pottery unique-techniques unpredictable variable internal