From KommatiaPatterns Etsy shop:
Tutorial and sewing pattern to create a cool pinafore mini skirt with a pencil shape, adjustable straps, back darts and functional zipper pockets. Our format is adapted for home printers so you can quickly start sewing. Once the purchase completed, a link is provided to download the PDF file, which contains both tutorial and pattern.
Sizes: XS-S-M-L-XL
Centre front length: 63cm (24 ¾")