Blue scroll-like object with white center and green pen

Blue scroll-like object with a white center and a green pen on top is shown in the image. the object is positioned upright, with its bottom end resting on two orange legs that resemble a tripod. the object's top and bottom edges are rolled up, featuring an orange ball at each corner. the white center of the object contains four green lines of varying lengths, accompanied by a green pen with a gold tip and band placed diagonally across the lines.