Is It Necessary For Cross Contour Lines To Be Visible?

Is It Necessary For Cross Contour Lines To Be Visible? Cross Contours on a Complex Surface Cross contours help describe the topography of a surface. H South, licensed to About.com, Inc. Often cross-contours look like the contour lines on a map of rough terrain – they help us visualize the topography of a surface. Is

What Is It Called When You Draw Without Picking Up Pencil?

What Is It Called When You Draw Without Picking Up Pencil? They are a type of contour drawing called a “Continuous line contour drawing’. It is done without picking your pencil off of the paper. … “A contour drawing is done when the artist looks intently at the edges of an object, but rarely looks