This tool is a Visualizer with this tool you can show A4 document or A4 sheet on a white board in a presentation. The "STI2D visualizer" is exclusively made of cardboard so it's ecofriendly because you can use recycled cardboard to make this visualizer.
The STI2D visualizer is very usefull because like I sed it's ecofriendly and you can bring it every where beacause of cours it is retractable so it's very easy to transport just in a bag.
The first part:Visualizer
-the arm is 35cm long and 7cm width
-the dimension of the main part the box are 25cmx21cmx7cm
-the piece of cardboard use as a jack is 15cm long and 4cm width
- the hole for the camera have a 4cm diameter
The second part:The sheet support
-the base is 15cm long and 10cm width
-the support is 35cm long and 30cm width
-the piece of cardboard use as a jack is 7cm long and 4cm width
- the piece of cardboard use to hold back the sheet is 30cm long and 3cm width