Create a pleated pinafore dress in any size with this detailed sewing tutorial. Learn how to craft your pattern pieces, ensuring a perfect fit. While dimensions are provided for a girls’ size 10 dress, there are instructions for making this cute dress for various sizes. Making this pinafore dress involves four rectangular pattern pieces: waistband, skirt, pinafore square, and straps. A woven fabric is ideal for this sewing project, with medium weight best suited. Make sure to pre-wash your fabric, and follow the steps below for a lovely pleated pinafore dress.