Rick Roll QR code + Spotify

A simple keychain with a rickroll spotify code and a QR code. Best if your print it with at least two colors.

You can also print with white color and paint the raisen code with a primer, then use a marker to colored the primer.

Printing:

Stop on layer in cura:

Extensions -> Post Processing -> Modify G-Code -> Add Script -> Pause at Height.

First field set height to layer.

Slice and print.

Printer will stop at layer. Change filament. Press button.