Cross contour drawing exercises are great for helping strengthen your observational muscles. And when you start shading your mark-making will be that much more believable as a result. Watch the video below for some cross-contour exercises that you can have a go at today.
One-Point Perspective. One vanishing point is typically used for roads, railroad tracks, or buildings viewed so that the front is directly facing the viewer. Any objects that are made up of lines either directly parallel with the viewer's line of sight or directly perpendicular (the railroad slats) can be represented with one-point perspective.