Ravelry mystery CAL reveals sea creature mosaic crochet over four weeks
Lianne Dam’s sea-creature mystery CAL opened on a four-week reveal, with overlay mosaic sections and a 101-by-99-stitch square priced at €6.
A sea-creature motif kicked off Lianne Dam’s latest mystery CAL on Ravelry, and the picture is set to emerge in four weekly drops instead of one full pattern release. The first section arrived on June 29, with the remaining reveals scheduled for July 6, July 13, and July 20, a cadence that turns the project into a week-by-week stitch-in rather than a one-and-done download.
The pattern is built in overlay mosaic crochet and listed at 101 stitches by 99 rows, which puts it firmly in the substantial square-block category. Ravelry lists it as an Afghan block, and the download is priced at €6.00 EUR. Makers get written instructions in English and Dutch/Nederlands, plus a blinded graph for chart readers, so the project is set up for crocheters who want both row-by-row direction and a visual roadmap.
The yarn math is specific enough to help before the first chain is made. Using a 4 mm hook and a cotton-acrylic DK yarn, the design calls for about 670 yards of main color and 470 yards of accent color, with extra yardage needed if the optional envelope border is added. That kind of detail matters in mosaic crochet, where running short on the contrast shade can derail a clean finish fast.
Dam’s portfolio shows this is not a one-off experiment. Mystery CAL May 2026 used the same 101-by-99-stitch format and carried a Bookish Critter theme, while Mystery CAL June 2025, titled Summer night, measured 89 by 85 stitches and included instructions to turn the piece into a small blanket, a big pillow, or even a sweater. Her Ravelry store notes that some of her mosaic patterns come with graphs and written instructions, and sometimes a reversed overlay blanket version and the Endless method, which helps explain why the June 2026 release leans so hard on chart support.
That is the appeal here: the sea creature does not arrive all at once, and neither does the payoff. The weekly reveal format, the squared-up mosaic structure, and the clear yarn estimates make this the kind of mystery CAL that gives crocheters a reason to keep coming back long after the first section lands.
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