RFID Key Ring — compact RFID tag holder

A simple and durable key ring designed for RFID tags (125 kHz / MIFARE).Perfect as an access key, badge holder, or everyday accessory. Prints easily without supports and fits well on any FDM printer. Internal slot for chip:Height: 2.2 mmDiameter: 20 mm Dimensions key ring:34 × 28 × 6 mm Weight: 3.91 g (PETG, 25% infill) Material: PETGNozzle: 0.4 mmLayer height: 0.20 mmInfill: 25% (Cubic)Supports: NoneBrim: NoneNozzle temp: 230–240 °C (PETG)Bed temp: 70–80 °C (PETG) Orientation:The model is optimized for printing — use auto placement in your slicer. Stable base, no supports needed.