Relief effect information sign has characters cut into a front panel of set thickness and with a contrasting panel applied to the rear

摘要

A relief effect information sign has a front panel (16) cut with selected characters or letters and with a contrast effect back panel (14) applied to the back surface. The thickness of the front panel is between 1.5 and 3.5 percent of the height of the panel and can be made of any suitable material, e.g. metal. The rear panel can be a fabric for enhanced effect via backlighting.