Paper Plane Game Published on September 14, 2018 in TrainingsFull resolution (2322 × 4128) Paper Plane Game Photo from a paper plane game at my university done by me. Faces are blurred for privacy. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.