Designer call: 3Doodler pen – sketch in the middle of the air

Need to work on 3D project, but worry about the complicated code of 3D programming?
Don’t worry, and do it first, the technical problem can always solve easily.
We used to draw with pencil and paper on a flat surface, now, we can even draw in the middle of the air.
Creating a 3D sketch and model!!! and feel it!!!