Monoblox is a rear-projection screen surface from AV Stumpfl’s monoblox series, designed for a 4:3 image format. The surface has an overall size of 386 × 294 cm and a net projection area of 366 × 274 cm. It uses the R10 surface type and is supplied as the projection surface only; the corresponding frame and stand are separate articles. The surface weighs 5.2 kg net.