Aperture Laboratories Keychain / Tag

A simple keychain / tag from the Aperture Laboratories logo from the video game Portal.

I the post processing script "Pause at height" of Cura with following settings:
- pause at: layer no.
- pause layer: 12 (depending on your layer height, i used 0.2mm)
- retraction: 0
- retraction speed: 25
- extrude amount: 30
- extrude speed: 3.3333
- redo layers: 0
- standby temperature: 210

then just change the filament when the printer pauses and press the button when you are done.