Fabricates and repairs sail-cloth.
- analyses sail requirements for type, size and usage of boats
- calculates sail dimensions using sail-calculation tables
- computes dimensional allowances for hemming and stretching of sail-cloth and for draft and roach of sails
- draws full size patterns of sails on floors
- spreads sail-cloth over floor patterns, marks pattern outlines on cloth and cuts into parts for assembly
- supervises or performs sewing of cloth to make sails