Cosmo // Sexy Party Dress or Casual Wedding Dress Pattern. Knit Dress Pattern. Women's Knit Sewing Pattern.

Cosmo // Sexy Party Dress or Casual Wedding Dress Pattern. Knit Dress Pattern. Women's Knit Sewing Pattern.


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Digital download (1 ZIP)


PDF, sewing pattern, download


-- This is a DIGITAL PDF sewing pattern for immediate download to your computer. No paper patterns are mailed out. --

The Cosmo Dress is a playful cut-and-sew knit dress with milkmaid style sleeves and a sexy slit in the skirt.
It’s a great pattern for bright fabrics, colourblocking or neutrals. This easy-to-wear style is classy enough for cocktail bars and sexy enough for a hot date.

The Cosmo has a flattering gathered bust and a firm-fitting bodycon cut. It is "pull-over" styling, so it has no zippers or buttons to worry about. Fit it to your body and it will give you a "spanx" effect, exaggerating your natural curves.

Skill Level
These instructions are aimed at intermediate sewers. You will need a good sewing vocabulary and a little bit of experience sewing with knit fabrics.
**A serger is required to make this dress**

Sewing Machine Requirements
• An overlocker (serger) threaded up for stretch knits is required for the main seams.
• A sewing machine with a ballpoint needle for the slit.

Material Requirements
This pattern is designed for knitted fabrics with a minimum of 5% spandex (aka lycra). The fabric should have at least 20% stretch. Ideal fabrics include ponte, scuba knit, sateen or thick jersey.
You’ll Need...
• 1.8m (2 yards) of fabric with a width of 150cm (60”)
• 1.4m (1.5 yards) of knitted elastic with a width of 5-7mm (1/5”-1/4”)
• A medium sized safety pin


• Sizes A-G (US 2-14, AUS & UK 6-16)
See the 'sizing guide' image for measurements.


Immediately after checkout you will be able to download the zipped pattern. This file includes:
• A Print-At-Home PDF: 22 x A4 or US Letter pages.
• A Copy Shop PDF: 2 x A0 pages to print at your local print shop (ie. Kinkos, Officeworks)
• An instruction file: 11 pages of very detailed sewing instructions with illustrations.
Download size is 2.4mb.


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J. S. Aug 17, 2019

Katlynn May 22, 2019

5 out of 5 stars
Beautiful. Excellent instructions, and a really good fit. So happy with this make! Best wishes xx

Purchased item:

Caitlin Baker Mar 12, 2020

5 out of 5 stars
I love my dress! As a fairly new sewer, I didn't have any issues following the pattern, it was very straightforward. I have broad shoulders, so I went a size up on the bodice and extended the sleeves and it turned out perfect! I couldn't be happier. I feel beautiful in this dress and I can't wait to wear it for summer! It is my favorite sewing project so far. Thank you!

Purchased item:

Teri Augustine Mar 4, 2020

5 out of 5 stars
Great pattern, I can't wait to try it.

Purchased item: