Abstract: A foldable mounting system for an artwork is provided. The mounting system includes a continuous base structure having an upper side and a lower side opposite the upper side, and includes a polygonal central portion and edge strips. The central portion includes at the upper side a polygonal supporting area for a viewing portion of the artwork and at least one inner fold line for folding the central portion. At the upper side, each of the edge strips further includes an inner area for fixing the artwork and an outer area. The edge strips are foldable into respective three-dimensional perimeter members.