You just start drawing in space, and it will be drawn in your screen. Your camera will understand when you want to draw and when not(Intelligent Camera).
The way it looks is:
Installation & Execution:
git clone https://github.com/Rishabh-Hupr/Air-Writing.git
cd Air-Writing
python3 -m venv custom
source custom/bin/activate
pip3 install -r requirements.txt
python3 AirWriting.py
If any issues, feel free to create an issue on the repository 😀