Abstract: A closure can close an outlet of a vessel. The vessel outlet can comprise a tubular cavity with an interior surface. The closure can comprise a male portion comprising a distal undersized portion, a proximal oversized portion, and a taper between the undersized and oversized portion. The male portion can be inserted in the vessel outlet, undersized portion first. Interference between the inner diameter of the vessel outlet and the outer diameter of male portion can occur when the male portion is sufficiently inserted. The interference can cause the undersized portion to flare out and engage the interior surface of the tubular cavity, thereby providing a seal.

Abstract: An image system can comprise a sheet of clear thermoplastic material formed to define an interior space configured for disposal of an image or a three-dimensional object. The sheet can comprise a substrate upon which an image can be directly printed or otherwise attached. The image system can comprise two or more panes that meet at a vertex along a corner or are oriented at an angle relative to one another. The vertex can be formed using a tool in combination with selective heating and cooling of the thermoplastic material. The image can extend across at least two of the panes. The image system can comprise a mount configured to deter theft or tampering. Connectors can be utilized to connect two or more image systems to one another.