A cordless window blind structure is provided. In a preferred embodiment, the composition includes: SD 40 alcohol or isopropyl alcohol in an amount of between 35% and 80% by weight; ammonium lauryl sulfate as a sudsing agent in an amount of between 5% and 30% by weight; one or more oils as a grease cutting agent and fragrance enhancer; one or more thickening agents; a catalyst; and water. These annotations may later be displayed to the physician or operator in 3D space in the position in which they were first drawn or otherwise generated.