Back

Square out from overarm line at point 31b,
31b - 33, half finished wrist measurement plus 1 cm.
Draw line from point 10 through 21b and mark new point 21d 1 cm beyond 21b.
Draw an arc (with point 10 as central pivot point) which passes through point 21d. Swing this arc towards centre of chest area on front block.
Dependant on degree of armlift required, mark point 35 on this arc;
(ie; straight measurement 21d - 35 = 15 cm.)
Join 35 - 33; This line can be slightly hollowed according to design and appropriate to intended end use.
Extend back underarm line beyond 33, as necessary, so that back underarm measurement equals front measurement.