Fit a ripple blanket to a target width

Measure the horizontal width of a finished ripple repeat, not the length along its zigzag edge.

Before you start

Gather the measurements, counts or timing sample needed below. Record their units and whether they describe a sample, the whole project or one purchased package. Use a finished sample when dimensions or material use depend on fabric structure.

How to do it

1. Read repeated crochet instructions — Separate what consumes an existing stitch from what creates a new stitch or chain space. Expand one repeat before repeating it across a row.
2. Make a representative crochet swatch — Sample the actual stitch pattern, working direction and finishing method. A plain-stitch square cannot establish the gauge of a textured or mesh project.
3. Calculate crochet stitches for a width — Multiply finished stitches per centimeter by the target width, then fit the pattern repeat and edge stitches. Recheck the rounded result as a physical width.
4. Find growing or shrinking edges — Compare row counts before changing tension. Accidental first-stitch additions and missed last stitches create systematic width changes.

Try this example

If a full ripple repeat advances 12 cm, eight repeats give about 96 cm before side treatment. Check peak increases and valley decreases on the sample so the repeat count remains stable.

Check your result

• Recheck the inputs against the actual sample or label, keep units consistent and round only the final count or purchase. Repeat a sample if a small measuring difference changes the decision.
• These arithmetic examples assume the measured structure stays comparable. Shaping, borders, dense textures and color changes require their own allowances or samples.

Sources

• www.craftyarncouncil.com: 020_CGauge3.pdf
• media.craftyarncouncil.com: CYC_CIP_Crochet_Program_2017.pdf

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