Keyboard Switch Keychain（小方糖试轴器）
thingiverse
You can attach a rectified keyboard switch keychain to your keys, securing it tightly with a firm grip. Additionally, you have the option of integrating an LED light into the keychain itself, and suitable battery models will be supplied for this purpose.
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With this file you will be able to print Keyboard Switch Keychain（小方糖试轴器） with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Keyboard Switch Keychain（小方糖试轴器）.