Figure 35.—Assembling the curb plate, middle arch and upper series of arches:

1 and 2 side pegs marking distance between inner sides of wall plates of middle section of house; 3, middle peg, located by doubling braid stretched between the pegs (1 and 2); 4 apical peg, located by stretching doubled braid from peg (3) at right angles to the line (1, 2); 5, curb plate curve; 6, peg, four hand spans from apical peg to mark curve of middle arch; 7, curve of the middle arch (fautu); 8, curve of next arch of upper series (fau vaenga); 9, 10, curves of succeeding upper series arches; 11, curve of uppermost arch (fau tali 'aso).