About this 3D model

Just a quick little sign project. Magnetized home security sign to discourage unwanted visitors. Has four holes in each corner to mount a 3/8"x3/8"x3/8" cube magnet. Ideally, use a rubber-coated magnet. Prints best on textured PEI plate, facing down, using AMS. Sign dimensions: 200mm x 200mm x 10mm