About this 3D model

My portable visualizer is only made with cardboard, so it is eco friendly and it's cheap to build. It's easy to transport my portable visualizer because it is smaller and not heavy. My Portable is made to capture a A4 sheet of paper. System of my portable visualizer is not complex but it's functional My portable visualizer is one of two parts, this part is retractable, the arm is supported by 2 pillars