Inspired by the cogs of the Lorenz cipher machine or ‘Tunny’ as it was referred to, this crochet hat has a vintage fair-isle look but only one colour is used at a time.
This pattern is part of The Bletchley Collection, a six piece collection for Eden Cottage Yarns’ Milburn range inspired by the WWII code breakers stationed at Bletchley Park.
S (M, L)
To fit: 51 (56, 61)cm / 20 (22,24)in
Finished brim: 48.5 (53.5, 58.5)cm / 19 (21, 23)in
Finished hat body: 66 (71, 76)cm / 26 (28, 30)in
50grams of 4ply/fingering weight wool in 3 different shades
HOOKS & NOTIONS
3.5mm (US E/4) crochet hook
3mm (US C/2-D/3) hook
Skills needed: Basic stitches, clusters, shells, working in BLO, working in the round.
Worked from the top down with colourwork patterning (one colour at a time) Brim is worked sideways.
Written in UK terminology with US conversion guide.