Minimalist industrial square ceiling or wall light (set of 4)

Set of 4 ceiling or wall lights. Shape: square. Pattern: bubbles. Small manufacturing defect (scratch in the center) see photos. Visible up close but not annoying once installed on the wall or ceiling. Comes with new support (E27 plastic socket) 23 ceiling lights available in total. Possibility of making a wall of sconces for a large loft-type area.