The architecture and entrances to the Natural History Museum in London are beautiful and diverse. This hat was designed incorporating some of my favourite aspects: the chained pillar-like sts, the checkerboard with a beaded element representing the beautiful geologic collections, the twists and turns, chevrons, and subtle diamonds. Knit this hat in the round and add a few beads to put a little sparkle in your step.

This is a pattern for a hat worked with cable sts, textured sts, and bead accents.
It is worked in the round.

yarn:
Sock; by Malabrigo Yarn; Light Fingering; 100% Merino; 440yds (402m) / 100g
approximate yarn amounts:
1 skein (200 - 300 yds/182 - 275 m)
needles:
2.0mm (us no 0) circular, 16in/41cm
2.75mm (us no 2) circular, 16in/41cm
2.75mm (us no 2)DPNs, 6in/15cm, set of 4
gauge:
24 sts x 40 rows = 4in/10cm measured over patterning on 2.75mm
approximate finished sizes:
three sizes: small (medium, large) to fit 18 - 20 (21 - 23, 24 - 26) in/ 45.5 - 50.5 (53 - 58.5, 61 - 66) cm head
additional tools:
needle to weave in ends, st marker, crochet hook or tool to place beads
beads: approximately 60 sized 6/0 beads