I AM Patterns 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 and easy to wear dress. So many fabrics suit me, and you can reinvent me ad infinitum to match your every mood. You and I 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:

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

– 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?

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: EU 34 – 52 (approx. UK 6 – 18). Please check the designer’s size chart and finished garment measurements.

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

PDF pattern includes: Instructions; A4 and US letter print-at-home patterns (24 pages); A3 pattern (11 pages); A0 copy shop pattern (2 sheets) // Layers: No // Projector file: No.

Languages: French and English.

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Additional information


Cottons, Drape, Denim / Corduroy, Linen

Make time

All day

Sewing level

Confident Beginner


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

Pattern format

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

PDF Printing

24 Pages

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