Transcription: Replacing a roof. First, click the tape measure tool to set the scale for the house. Outline the door and specify the height. Roofing will automatically be resized to the house. You can stretch your project window for more working space by dragging outwards on the window corner. Next, set perspective for the roofing pattern. Notice this house is at a slight angle. Select the vertical perspective tool for scale pattern. Set the perspective by placing the yellow Click and drag the boxes until they surround the entire roof, establishing the roof angle. Click once in the middle to accept the persp ...