T-handle for a 2.5 mm hex key
The 2.5 mm key turns M3 cap screws, and its short arm is only 20.5 mm long. Here the long arm runs through the shaft and the short arm lies in the crossbar's groove.

2D preview
Customize (configurator with these values)
Files are generated on request from the live generator; free, no account.
Specifications
| Key | 2.5 mm, 58.5 x 20.5 mm arms (ISO 2936) |
|---|---|
| Handle | 70 mm crossbar |
| Holds by | press fit |
| Label | engraved "2.5" |
| Material | PETG or PLA, 4 walls |
Printing
- Prints as exported with no supports: T-handles and grips standing on the face the key goes into.
- 4 walls or more: the walls around the channel and the groove carry the load.
- Not sure about the fit? Print the fit-test ring first, it takes a few minutes.