Promotional Games & Toys, 5D Invitations 5" X 7", 5D INVITATIONS 5" X 7" Our 5D dimensional invitations are a great way to capture your guests attention and make your event stand out. These beautiful optical illusion invitations deliver the perception of depth and movement. 5D Invitations can be personalized with any text or image. ... #5D-INV1 $11.36/each.