Geometric sweater by Robin Wools

Geometric sweater

Knitting
DK (11 wpi) ?
8.5 stitches and 11 rows = 4 inches
in stocking stitch
US 6 - 4.0 mm
US 10 - 6.0 mm
30 (32, 34, 36, 38, 40) inch bust
English

Materials
1 (1, 2, 2 ,2 ,2) x balls of colour A and,
1 (1, 1, 2 ,2 ,2) x balls of colour B and,
1 (1, 1, 1, 1, 1) x balls of colour C and,
1 (1, 2, 2 ,2 ,2) x balls of colour D and,
1 x balls of colour A for optional collar.

Sweater has optional cowl collar.