These images are licensed CC BY-SA 4.0 by Aleph Objects, Inc. 2015

See additional licensing information below:

* Rocktopus by Kent Johnson is licensed CC BY-SA 4.0 and derived from work by dietz1 and yeoldebrian.
* Cura LulzBot Edition source can be found online here: https://code.alephobjects.com/project/profile/1/