https://www.cdc.gov/niosh/motor-vehicle/constructionequipmentvisibilitydiagram/cat-416c.html
Construction Equipment Visibility: Cat 416C | Motor Vehicle | CDC
3 blind area diagrams representing ability of the operator to see objects at 3 different elevations.
construction equipmentmotor vehiclevisibilitycat416c
https://www.printables.com/model/863606-hk-416c-mod-for-sw-blaster-e-10r/collections
HK-416c mod for SW Blaster E-10R by Nicolas M | Download free STL model | Printables.com