The symbol is a unalome, a representation of the journey to reach enlightenment. The path starts in the centre of the spiral, and as you continue up or down this path you are wandering, becoming more conscious of your surroundings.
Not my favorite photo- but the rope idea for shelves in the bathroom could give us 2 shelves and super cheap to make. MDF painted white with some holes and rope. in a color? 25 Small Bathroom Ideas You Can DIY