Cassiopée Dress

I AM Patterns


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Buy the Cassiopée Dress sewing pattern from I AM Patterns. I am Cassiopée, an easy to make, easy to wear dress. Any fabric suits me, and you can reinvent me ad infinitum to match your every mood. You and I together will dazzle everyone like two shooting stars lighting up the sky.

A matching children’s version is available here.

This sewing pattern is available to buy in the following formats:

– PAPER (next working day dispatch on orders and FREE UK delivery over £50). Note for the PAPER pattern: The pattern pieces overlap, so you will need to trace the pattern. If you prefer a ready-to-cut pattern, try the PDF or copy shop version as the pieces do not overlap.

– PDF pattern + Printed A0 copy shop (We print out the A0 pattern sheets, but you’ll need to download the digital instructions, as we don’t print these. The PDF files will be emailed immediately after purchase, and the A0 pattern sheets will be dispatched next working day). What is Copy Shop?

– PDF (available to download immediately after purchase). What is a PDF?

Suggested fabrics: Plain weave cotton, crêpe, chambray, denim, corduroy, wax, flannel, linen, viscose and much more.

Fabric requirements: 140 cm (55″) wide fabric: 190 – 290 cm (2 1/8 – 3 1/4 yd) // 110 cm (43″) wide fabric (sizes 34 – 48 only): 275 – 285 cm (3 – 3 1/8 yd).

Sizing: PAPER: EU 36 – 46 (approx. UK 6 – 14) // PDF: EU 34 – 52 (approx. UK 6 – 18) // Please check the size chart and finished garment measurements.

Notions: Optional: 25 cm x 90 cm (10″ x 35″) of iron-on interfacing.

PDF pattern includes: Instructions; US letter and A4 print-at-home patterns (24 pages); A3 pattern (11 pages); A0 copy shop file (2 sheets).

Bonus: Add a back button placket to your dress using a free pattern extension from the designer. Note you must already have the original Cassiopée Dress pattern to use the extension.

If you’re looking for more maker inspiration, check out the latest sewing pattern reviews from the sewing community. We also have a sewing blog to keep you up to date with all the news from the world of sewing.

Additional information


Cottons / Chambray / Lawn / Quilting, Rayon / Viscose / Crepe, Denim / Corduroy, Linen


UK 6 / US 2 / EU 34, UK 8 / US 4 / EU 36, UK 10 / US 6 / EU 38, UK 12 / US 8 / EU 40, UK 14 / US 10 / EU 42, UK 16 / US 12 / EU 44, UK 18 / US 14 / EU 46

Sewing level

Confident Beginner

Make time

All day

Pattern format

PAPER, PDF, PDF pattern + Printed copy shop (+£7.00)

PDF Printing

24 Pages

Sewing pattern reviews (2)

Average rating: