This object is an innovative visualizer or a webcam.
It is very simple to build and to use, and you can carry it with you because of its material and design.
It is made out of a A4 carboard board and cutted with a laser cutter
It is also made of only one part, so you will not have any problems to assemble it.
It is the cheapest visualizer you can find!
When you want to use it, just take it, put it on the surface, like the top of a door, put it on the camera, and it's done!
No 3D print needed. Just need a laser cutter
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