|Select a reliable and easy-to-use multipurpose overhead projector that's a perfect meeting solution for schools, government and businesses. 3M standard overhead projectors produce high-quality images from color and monochrome transparencies. Choose from seven standard overhead projector models priced competitively and backed by 3M's five-year manufacturer's warranty. These durable overhead projectors help you become more productive in your meetings and classrooms. The 9050 has a 10.5"" x 10.5"" projection stage.