Simplicity 3099 Pattern Review: Is This Showstopper Worth It?
Hello, my creative friends!
As the seasons turn, there’s a natural pull towards the rich, earthy tones of autumn. But this year, I found myself asking, “Who says fall has to be all rust and brown?” Sometimes, the most joyful act of creation is to break the rules and sew a little sunshine right into your wardrobe. That’s the story of my latest make, a dress that was pure fun from start to finish: the incredible Simplicity 3099.


This project wasn’t about practicality or filling a gap in my closet. It was about the sheer, unadulterated delight of working with a vibrant color, a beautiful fabric, and a pattern with a touch of drama. It was the perfect creative reset after a busy few weeks, and I can’t wait to take you through the entire process.
The “Recipe” for a Showstopper
Every great project starts with the perfect ingredients. For this dress, the recipe was simple: a standout pattern and a luxurious (if a bit diva-like) fabric.
The pattern is the Simplicity 3099, a chic, one-shoulder fitted dress with an absolute showstopper of a detail: a large, three-dimensional flower on the shoulder. It’s elegant, modern, and has that “wow” factor I was looking for.
The fabric is a gorgeous, silky marigold-yellow charmeuse that I found at Rex Fabrics. It has a beautiful weight and a subtle sheen that catches the light perfectly. Now, let’s talk about sewing with satin. It can be a true test of patience! It loves to slip and slide, and as you can see from my photos, it wrinkles if you so much as look at it. But the drape and luxury are absolutely worth it, and with the right tools, you can tame it.

Fit and Alterations: Nailing the Silhouette A sheath dress like this is all about the fit. The pattern features princess seams, which are fantastic for getting a close, tailored silhouette. As we know, pattern sizing is just a starting point!
Based on my measurements (Bust 34″, Waist 27″, Hips 38.5″), I consulted the pattern’s finished garment measurements and cut a size 12. As a petite sewist at 4’11.5″, I often have to make adjustments, but I decided to make a muslin of the bodice first to check the proportions. For this particular pattern, I found I needed to [insert your specific adjustment here, for example: shorten the torso by 1 inch] to get the waistline to sit correctly. Taking the time to make a quick muslin for a close-fitting garment like this is always a good idea—it’s the key to a truly bespoke fit!
Pro-Tips for Sewing with Satin Simplicity 3099
Before we get to the fun part—the flower—I want to share the specific tools that were non-negotiable for this project. If you’re planning to sew with a similar fabric, these will save you a world of headaches.
- A Microtex Needle: To avoid snags and pulls in the delicate fabric, a fresh, sharp Microtex needle is a must. Change it often!
- A Walking Foot: My trusted sidekick for slippery fabrics! A walking foot helps to feed the top and bottom layers of fabric through the machine at the same rate, preventing those dreaded puckered seams.
- An Impeccable Hem (and a Little Grace): Hemming a circle-cut satin flower is a challenge! My tip is to use a spray stabilizer or fusible tape to give the edge some body before you turn it. And if it’s not 100% perfectly straight? Give yourself some grace. It’s the sign of a beautiful, handmade garment.
The Fun is in the Details: Constructing the Statement Flower
Now for the star of the show! That incredible floral shoulder detail is surprisingly fun to construct, and it’s what makes the Simplicity 3099 pattern so special. The pattern guides you to cut several large, petal-shaped pieces. The magic happens in the way you fold, press, and layer them. My number one tip here is to take your time with your iron. Pressing each petal carefully is what gives the flower its beautiful dimension. It’s a bit like textile sculpture, and seeing it come to life is one of the most satisfying parts of making this dress.


The Final Look: A Celebration of Fun And now, the final reveal! This dress is everything I hoped it would be: bright, elegant, and so much fun to wear.
I had the absolute pleasure of working with a talented photographer to capture the final look, and his photos perfectly captured the joyful energy of this dress. Wearing it just makes you want to smile.


So, is Simplicity 3099 worth it? A resounding yes! It’s a beautifully drafted pattern for any intermediate sewist looking to create a true showstopper. This project was a wonderful reminder that sewing doesn’t always have to be about making practical, everyday clothes. Sometimes, it can just be about making something that brings you joy.
What’s a “just for fun” project that’s on your sewing list this autumn? Let me know in the comments!