Concentricity by Woolly Wormhead


May 2010
Aran (8 wpi) ?
18 stitches and 24 rows = 4 inches
in Stocking stitch
US 7 - 4.5 mm
96 - 178 yards (88 - 163 m)
17, 20, 23 in/43.25, 51, 58.5 cm

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Based on the maths of concentric circles, Concentricity is a fun beret to knit, and is simpler than it first appears. Worked almost entirely in rib, the pattern is worked top down and in the round.

96 (123, 153) yd/88 (113, 140) m
25yd/23m for a 6x6in/15x15cm swatch in St.St.
Aran weight, plied yarn

Needles & Notions
Set 4.5mm/UK7/US7 DPNs/Circular or size needed to obtain gauge
Stitch marker as necessary
Tapestry needle

Sample details
Shown in Rowan Pure Wool Aran (186yd/170m per 100g; 100% Wool)
Shown in size 20in/51cm on model with 21.75in/52.25cm circumference head

Alternative yarns
Lorna’s Laces Shepherd Worsted Solids (225yd/206m per 4oz/114g; 100% Wool)

18 sts x 24 rows to 4in/10cm on 4.5mm needles over St.St.
17 sts x 28 rows to 4in/10cm on 4.5mm needles over Twisted Rib, lightly stretched

To fit size: 17 (20, 23) in/43.25 (51, 58.5) cm
Finished size: 15 (17.5, 19.75) in/38 (44.5, 50.25) cm
Beret diameter: 10 (11, 12) in/25.5 (28, 30.5) cm

Skills required
Knit & purl sts, knitting in the round, increases & decreases, specialist cast-on.

Pattern contents
Written instructions; illustrated tutorials for Circular cast-on & Knitting in the Round

Accessibility Statement
The main PDF for this pattern is colour blind accessible. It uses black text on a white background and does not rely on colour.

Do you need help with this pattern? We have a specific discussion thread in the Wormhead’s Hats group where you can ask any questions.

Published May 2010
PDF file size: 3.2MB
Product code: WW106KConcentricity
Technical editor: Tana Pageler