For those who enjoy creating stained glass: **Original Design Drawings (for patterns)** ※ Includes one original design drawing and two A4-size copies for production confirmation. This is intended for: ✔ Personal hobby use ✔ Home crafting ✔ Practice and enjoyment Commercial use, sales, and reproduction are prohibited. (Please refrain from selling the artwork, using it in classes or workshops, or redistributing the data.) We hope this will be cherished by those who "want to enjoy stained glass as a hobby."