You are currently viewing DIY Crescent Sling Bag Tutorial: Luna Crossbody Bag 2 Sizes Patterns

DIY Crescent Sling Bag Tutorial: Luna Crossbody Bag 2 Sizes Patterns

Looking for a fun, rewarding sewing project that you can actually use every day? This DIY crescent crossbody bag is light, functional, and surprisingly easy to make. I added interior pockets to keep your keys and small essentials secure so you never have to dig around at the bottom of your bag again. Plus, with two size options available in the downloadable pattern, you can make a sleek mini version or a roomy everyday bag. Check out the full guide and download the pattern to start crafting your own today!

Open view of the crescent bag interior showing items organized inside inner pockets.
Inside view of the empty DIY crescent crossbody bag displaying spacious lining and inner slip pockets.
Handmade DIY crescent sling bags shown in beige suede and black nylon in two sizes.
Person wearing a beige suede crescent crossbody bag worn snugly across the chest.

The finished measurements of this Luna Crossbody Bag are approximately 11½”(29cm) W × 6¾”(17cm) H × 4″(10cm) D.

You may watch the full video tutorial on my Youtube channel.

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Seam allowances are 1/4″ unless otherwise specified.

Let's get started!!

To make this you will need:

◆ Main panel
② 12″ × 8″ (30.5cm × 20cm) Exterior
② 12″ × 8″ (30.5cm × 20cm) Lining
② 12″ × 8″ (30.5cm × 20cm) Fusible fleece
◆ Gusset
① 20″ × 4½” (50.5cm × 11.5cm) Exterior
① 20″ × 4½” (50.5cm × 11.5cm) Lining
① 20″ × 4½” (50.5cm × 11.5cm) Fusible fleece
◆ Interior pocket
① 10¾” × 9¼” (27cm × 23.5cm) Lining
◆ Strap Attachment Tab
④ 2⅜” × 1¾” (6cm × 4.5cm) Exterior
④ 2⅜” × 1¾” (6cm × 4.5cm) Lining
◆ Strap
① 59¼” × 4″ (150cm × 10cm) Exterior
◆ Others
① 12⅝”(32cm) Roll Zipper_seam allowance included
① 1″(2.5cm) Wide Slider Buckle
① 1″(2.5cm) Wide Rectangle Ring
② 1⅜”(3.5cm) Wide bias tape 23¾”(60cm)

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Prepare the interior pocket by folding, pressing, and topstitching the top edge, then stitch it to the inner lining to divide the compartments.

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Sandwich the zipper between the exterior and lining Main Panels, stitch along the edge, and topstitch for a clean finish.

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Attach the Strap Attachment Tabs to both ends of the zipper by sandwiching the zipper end between the exterior and lining tabs.

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Construct the adjustable strap by folding the fabric into quarters, topstitching along both edges, and threading it through the slider buckle and Rectangle Ring.

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Prepare the Gusset by basting the exterior and lining together, folding and stitching the side darts to form the shape, and attaching Strap Attachment Tabs to both ends.

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Open the main zipper halfway before assembling to ensure you can turn the bag right side out later.

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Match the center marks and tabs of the Main Panel and Gusset right sides together, then stitch around the entire perimeter. Trim the seam allowances diagonally at the corners to reduce bulk and create smooth curves.

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Bind all raw interior seams using bias tape, folding the ends neatly for a durable and clean interior finish.

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All done! We hope you enjoy creating your own wonderful piece.
And be sure to check out the [Sewingtimes YouTube channel] for more creative projects.