Set of key rings for the Super Mario Key Holder Customizable

.step include in this model for create your custom keychain.

How do I personalize the keychain in Bambu Studio.

You can easily personalize the keychain by adding your initial. For them, select the text_shape and click on edit text. If the text is out of place you can move it from the tool.

If you want you can also add an svg.

How to install custom fonts like "Super Mario 256" in Bambu Studio?

You can download the font from the following page:
https://www.dafont.com/es/super-mario-256.font
For the font to be available in bambu studio it is very important that you click on it together with shift and click on "install for all users". Once this is done, restart bambu studio and you will have that font available.