Line in 3D Objects

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Across
  1. 1. a figure or mark formed by two short intersecting lines or pieces.
  2. 3. sawlike line with even points protruding.
  3. 5. a line or course having abrupt right and left turns.
Down
  1. 2. a long narrow band distinguished by color or texture surrounding surface.
  2. 4. ornamental work of fine wire formed into delicate twists.