Create clean, professional lettering on your handmade ceramic pieces with this Uppercase Letter Stamp Set, designed for artists who love detail, precision and clean design. Each stamp is carefully created to leave crisp, consistent impressions in ceramic clay, pottery clay, polymer clay, and other soft materials — making it ideal for customizing mugs, jewelry, ornaments, and more. Features: Full A–Z uppercase alphabet (26 pieces) + 4 special characters Easy-to-hold design – perfect for pressing into soft clay Mirrored design for clean, readable impression and placement Clean, sharp lettering for a professional finish Durable, reusable material (High Quality PLA) Works great with ceramics, air-dry clay, polymer clay, resin clay, and fondant This digital download includes high-quality STL files ready for 3D printing, allowing you to print your own reusable stamp set. Included Files in STL option: Full A–Z uppercase alphabet + 4 bonus special character (1 STL files) 1 organizing and storage box (1 STL file) Ready-to-print STL format Recommended Printing Settings Material: PLA recommended Layer height: 0.16–0.2 mm Supports: Not required (depending on orientation) Infill: 10–20%