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Apple AirTag dimensions: Ø31.9 × 8.0 mm, 11 g, holder STL
What are the AirTag dimensions? · Modern device · basis: Apple tech specs (1st and 2nd generation)
Also called: airtag dimensions, airtag size mm, airtag holder 3d print, airtag mount
Exact dimensions. True size, with no printing tolerance added.
- length
- 31.9 mm
- width
- 31.9 mm
- height
- 8.0 mm
Notes
- Ø31.9 mm (1.26 in), 8.0 mm (0.31 in) thick; 11 g (1st generation), 11.8 g (2nd generation, same size).
- Holders (free STL): pocket Ø32.2 × 8.2 with a 0.6 mm snap lip; print in PETG or TPU so the lip flexes. Keep metal away from the face for range.
Apple AirTag dimensions: Ø31.9 × 8.0 mm, 11 g, holder STL size chart
| generation | diameter (mm) | thickness (mm) | weight (g) |
|---|---|---|---|
| AirTag (1st gen) | 31.9 | 8.0 | 11.0 |
| AirTag (2nd gen) | 31.9 | 8.0 | 11.8 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Apple Support | AirTag technical specifications | web | Publisher's page; dimensions are facts |
| Apple Support | AirTag (2nd generation) technical specifications | web | Publisher's page; dimensions are facts |
Free files
★ Free files 3 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| airtag-envelope-31.9x8 | AirTag envelope Ø31.9 × 8.0 mm | STEP · STL |
| airtag-holder-keyring | AirTag keyring holder: Ø32.2 × 8.2 pocket, snap lip, keyring loop | STEP · STL |
| airtag-holder-screw-tabs | AirTag holder with two M3 screw tabs (bikes, bags, furniture) | STEP · STL |
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=apple-airtag

Fits with
Questions
How big is an AirTag?
31.9 mm across and 8.0 mm thick (Apple).

