Howdy Expensive Gazebo People, Specialists I'm New to Gazebo. I'm engaged on a project. I managed to add a laser to some robot arm in Gazebo and also the sensor i utilised was the hokuyo sensor. I managed to add everything good and I'm able to see the blue area https://www.uk-exhibitionstands.co.uk/product-category/light-box-displays/pro-light-box-displays/