woolnumbers a colourwork sweater that actually fits you — the math is done, and checked

Design your sweater

Your gauge and your measurements become a correct, print-ready pattern — every stitch count re-checked. The preview updates as you type.

Gauge — from a blocked swatch
Fit — finished measurements
adjust to fit you
Chart — one character per stitch
Yarn

Live preview

Shown at the true knitted aspect ratio — stitches are wider than they are tall.

motif
✓ counts reconciled every stitch count is re-checked
    Live estimate. The full multi-page written pattern, chart and printable PDF are produced by the Wool & Numbers engine when you press Generate.