NFC 3D Keychain

The accessory combines:

1. A printable 3D keychain shell;
2. An NFC tag installed inside the shell.

On iPhone, an NFC personal automation can open Leelaa Reader and resume the latest playback.

NFC 3D Keychain

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Download 3MF

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Print and assemble

1. Download the 3MF file;
2. Open it in Bambu Studio or another compatible slicer;
3. Adjust layer height, supports, and infill for your printer;
4. Verify the NFC tag dimensions;
5. Test the tag before sealing it inside the keychain.

Keep the NFC tag away from large metal surfaces.

Supported Shortcut URLs

Action	URL
Resume latest playback	leelaareader://continue
Open a book	leelaareader://play?bookId=123
Open a chapter	leelaareader://play?bookId=123&chapterId=456
Open search	leelaareader://search

For an everyday NFC keychain, use:

leelaareader://continue

Configure the NFC automation

1. Open Apple Shortcuts;
2. Open Automation and create a personal automation;
3. Choose NFC as the trigger;
4. Scan and name the NFC tag;
5. Add an action that opens a URL;
6. Enter leelaareader://continue;
7. Disable unnecessary confirmation prompts when the current iOS version allows it;
8. Save and test the automation.

Limitations

• The URL scheme is implemented by the official iOS client;
• Install and sign in to Leelaa Reader before testing;
• Server availability, authentication, and book permissions still apply;
• iOS may require confirmation depending on lock state and automation policy;
• Opening the player does not guarantee immediate audio output in every system state.