Toyota Triangle Kanban Published on December 5, 2017 in Anatomy of the Toyota KanbanFull resolution (1076 × 560) Toyota Triangle Kanban Example of an older Toyota kanban, a triangle kanban, before bar codes were available. Closeup on kanban. On display at the Toyota Commemorative Museum of Industry and Technology. 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.