These birch bark canoes are at the superb Canadian Canoe Museum in Peterborough, Ontario. [Canada] They display an unbelievable array of canoes at this museum. There is absolutely no place like it - well worth the visit.
use a combo of teal and white slip to create shell design on thin plaster then cut out shell shape repeat for head and flippers with blue and white slip. Piece it together on side of mold, then slip cast.