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Smart filament tracking for your 3D printer

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Scan and Track
Place a spool on the reader. Material, color, weight, and manufacturer identified instantly from the NFC tag.
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Multiple Tag Formats
Reads OpenPrintTag, TigerTag, OpenTag3D, and NFC+ tags. Auto-detects the format.
Spoolman
Spoolman Integration
Syncs spool data automatically. Register NFC+ tags, track remaining filament, manage inventory.
Home Assistant
MQTT auto-discovery. Dashboard sensors for material, color, weight, and scanner status. Build automations.
Klipper
Klipper Ready
Middleware integrates with AFC, toolchangers, and Moonraker. Assign spools to tools via keypad or macro.
Open Source
Open Source
ESP32 firmware, Python middleware, and interactive installer. All GPL-3.0. Build it yourself for under $15.