Most patterns include a "test square" (usually 1" or 2"). Measure this with a ruler after printing to verify the scale is correct before you begin cutting your fabric. Alternative: Making Your Own Paper
Right-click the .zip file on your computer and select "Extract All" (Windows) or double-click it (Mac) to see the actual PDF files inside. Download 17228msyj zip
Locate the download link in your confirmation email or account dashboard. Most patterns include a "test square" (usually 1" or 2")
When printing, it is critical to set your scale to 100% or "Actual Size" rather than "Fit to Page" to ensure the pattern dimensions remain accurate. Locate the download link in your confirmation email
Do you have the or the email where you first saw this "17228msyj" code?
Sites like Patterns for Pirates or OKSew provide downloadable PDFs. If you bought it there, the ID might be part of your order confirmation email. How to Download and Use a ZIP Pattern File