US Patent 8464450 Three-dimensional picture frame system and related methods

A three dimensional picture frame comprising a first and a second vertical frame member, a bottom horizontal frame member, a top horizontal frame member, a front transparent sheet configured to engage with at least one of the frame members, a rear transparent sheet configured to engage with at least one of the frame members such that at least a portion of the frame members and transparent sheets forms a vessel, a backing sheet configured to engage with at least one of the frame members and located outward from the rear transparent sheet, and a plunger configured to slide into the vessel such that when a material is located in a portion of the vessel on a first side of the plunger, the material is prevented from entering a portion of the vessel on a second side of the plunger opposite the first side of the plunger.