Creative Ways to Hack the Shirt No. 1 Pattern

May 20, 2026
Collage of diverse shirt designs featuring various patterns, including gingham and checkered styles, with a focus on sewing techniques and pattern hacks. Text overlay reads "Spotlight-Inspired Pattern Hacks" and "Shirt No. 1."
Woman standing next to a sewing pattern titled "100 Acts of Sewing" featuring a design for a shirt in sizes XS to 5X. She is wearing a black and white checkered top with loose black pants and red sandals, posing in a well-lit studio setting.

100 Acts of Sewing’s Shirt No. 1 is our go-to, first garment-sewing project! If you’re new to sewing, making this garment is a great way to build some skills and get used to reading a sewing pattern. If you’re a more advanced sewist, it’s a wonderful opportunity to experiment with pattern hacking. Yarn-dyed fabrics are a perfect fabric for a pattern like Shirt No. 1—the fabric itself is stable and easy to sew, while its gorgeous color combinations, textures, and patterns add lots of visual interest to this simple garment. 

Colorful stacked fabrics featuring stripes, checks, and polka dots, showcasing a variety of patterns and textures suitable for sewing and crafting projects.
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Curious about how our staff sewists created their takes on Shirt No. 1? We’ve got so much to tell you! Rebecca used helpful tutorials from the 100 Acts of Sewing website to transform her Shirt No. 1 into a button-up and make her Pants No. 1 shorts with a higher rise. Kristen created a few yards of bias tape using a 1/4-inch bias tape maker, attaching it to the shirt pieces before constructing the garment. Inspired by The Act of Sewing by 100 Acts of Sewing designer Sonya Philip, Jenny dressed up her Shirt No. 1, adding a contrasting yoke and a long, gathered skirt. Olivia’s Shirt No. 1 is color-blocked and cropped, and she added a color-blocked ruffle, just for fun!

Four women stand side by side in a colorful urban setting, showcasing a variety of stylish outfits. The first woman wears a black and white checkered set, the second sports an orange patterned top with blue jeans, the third is in a white dress with a subtle print, and the fourth has a striped crop top paired with high-waisted jeans. The background features a colorful wall, enhancing the vibrant atmosphere of the image.
  1. Rebecca’s Shirt No. 1 and Pants No. 1 shorts set features Fableism – Checkmate Checkers – Yarn Dyed Cotton – Checkers – Ebony
  2. Kristen’s Shirt No. 1 features Fableism – Checkmate Checkers – Yarn Dyed Cotton – Checkers – Phoenix
  3. Jenny’s Shirt No. 1 dress features Fableism – Golden Hour – Yarn Dyed Cotton – Deco Stripe – Umber
  4. Olivia’s Shirt No. 1 features Organic Cotton Double Gauze – Yarn Dyed Gingham – Natural/Fawn and Organic Cotton Double Gauze – Yarn Dyed Gingham – Fawn/Espresso
Colorful striped fabric in vibrant hues of green, yellow, and pink, showcasing a wavy texture. Ideal for sewing projects, home decor, or fashion design.
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Ruby shortened the sleeve of her Shirt No. 1 and added a band to the edge, creating a bit of structure—we love the result in this crisp cotton shirting! Amy made a few adjustments to the pattern: lengthening it into an A-line dress, narrowing the neck opening, and carefully hand-stitching patch pockets to achieve perfectly-matched plaid. Priya sewed a matching set of a button-up Shirt No. 1 and Pants No. 1 shorts in cotton double gauze, for the dreamiest summer pajamas. 

Image showcasing three outfits: 1) A short-sleeved pink top held by hands, 2) A woman wearing a plaid dress and sun hat standing against a wall, 3) A brown checkered two-piece set consisting of a top and shorts.
  1. Ruby’s Shirt No. 1 features LA Designer Deadstock – Yarn Dyed Cotton Shirting – Small Check – Red/White
  2. Amy’s Shirt No. 1 dress features Fableism – Arcade Plaid Woven – Yarn Dyed Cotton – Midnight
  3. Priya’s Shirt No. 1 and Pants No. 1 shorts set features Organic Cotton Double Gauze – Yarn Dyed Gingham – Dark Brown
Colorful assortment of fabric swatches in vibrant shades of yellow, orange, and pink, featuring various patterns such as stripes, polka dots, and checks, stacked neatly for display. Ideal for sewing and craft projects.
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