Figure 7. Roof framework: principal rafters (oka), shaping of upper ends and lashings. a, top ends of pair of rafters (1, 2) with about half of section cut away to form flat surfaces to fit against each other. b, pair with flat surfaces of top ends laid against each other when crossed; braid lashing fixed to one rafter with running noose; alternate horizontal (3) and vertical (4) turns made around opposite angles to lash pair together. c, side view, lower part of rafter (1) where notched to fit against wall plate (5) d, outer side of rafter (1) resting against wall plate (5), lashing of diagonal turns (3, 4) cross on outer surface of rafter and pass transversely around wall plate; after first crossing turns, subsequent turns made to outer side above and below; first turns to form lozenge pattern shown.