I have made this keychain that you can edit as you see fit. Most of the instructions is in my YouTube video. In the video I show you how to make this template from scratch and how to edit it.

YouTube Link: 

Print settings is up to you here is some parameters:

Layer height: 0.1 - 0.22

Plastic: Anything from Tpu to PETg

Pause at layer height is what is required to achieve a multi color design. This is shown in my video with Cura.

Downlaod the KeyChain.f3d file and edit as you desire.

Leave a comment if you have any problems or questions.

If you found this helpful please consider supporting me proportionally to the help I provided, Thank you: PayPal: paypal.me/MiasNieuwoudt