wait untill the shape is covered in green then It will render in pen. drag the shape user turbo mode (shift click flag) use In turbowarp for better preformance: https://turbowarp.org/726583866?turbo&fps=60&hqpen
This project is COLOURLESS meaning It will not detect colours. Feel free to remix and add your own colours. ⚠This project wont be able to detect small details⚠