"Create a 2D outline style icon with clean and minimalist lines, showing the process of applying nail polish with an extra 3D volume effect for perfect coverage. Refer to <https://s.mj.run/OB_rRJ6LTUs> for the sketch of the illustration (how the nail polish and 3D volume effect should be shown). For the style and overall feel, refer to <https://s.mj.run/NLPy6Apm7eM> which demonstrates the desired 2D outline style with simple black and white, hand-drawn illustrations, no shading, and minimalistic details.