🍩 Donut NFC Keychain - Digital Download (STL/3MF File for 3D Printing) 🍩 Add a touch of sweetness and charm to your everyday carry with this baking-inspired donut NFC keychain! Perfect for bakers, small business owners, and anyone looking to integrate NFC technology into their accessories. ✨ Features: ✔ Stylish & Trendy Design – A delicious donut with smooth, flowing details and tiny sprinkles. ✔ NFC-Compatible – Designed with slots to embed an NFC tag (not included), perfect for digital business cards, contactless payments, or smart automations. ✔ Easy to Print – Optimized for FDM 3D printing, no supports required. ✔ Multi-Color Printing Option – Print in a single color or use multi-material setups (e.g., Bambu AMS or MMU) for a more layered look. ✔ Two File Formats – Includes STL & 3MF for seamless printing. 📥 What You Get (Instant Download): - Donut Keychain STL file - 25, 30 & 35mm sizes. - Donut Keychain 3MF file - 25, 30 & 35mm sizes (optimized for multi-color printing & resizing). 🖨 Recommended Print Settings: Layer Height: 0.2mm Nozzle: 4mm Pause: Layer 13 Infill: 15-20% gyroid Supports: Not required Material: PLA, PETG 🎁 Perfect For: NFC business cards Digital tipping links Smart home automation triggers Fashion lovers & elegant gifts 💡 Need Help? Feel free to reach out if you have any questions! 🚨 Please Note: This is a digital download – no physical item will be shipped. You can 3D print this at home or through a 3D printing service. 🔗 Grab your Donut NFC Keychain STL/3MF file today and start printing! 🍩✨ ⚠️ DISCLAIMER ⚠️ This listing is for digital files only (STL/3MF) and does not include a physical product. 📌 By purchasing this file, you acknowledge and agree to the following: -You must have knowledge of 3D printing and understand how to use your own printer, slicer settings, and materials. -These files have been tested and optimized for 3D printing, but individual results may vary depending on your printer, settings, and filament choice. -No refunds will be issued for digital files. -This file is for personal use only. Reselling, sharing, or distributing the digital file or physical items generated from it is strictly prohibited. Please see commercial licensing options for selling! I am happy to answer general questions, but the responsibility for a successful print is yours. Please ensure you are familiar with 3D printing before purchasing. Thank you for supporting my designs! Happy printing! 😊🎨