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.
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 Download 17228msyj zip
If this ID refers to a specific sewing or craft pattern, it is likely from one of these platforms where you can search for the ID or your purchase history: When printing, it is critical to set your