Freehand sketching part one

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Across
  1. 2. lines that maintain an equal distance
  2. 4. a curve is also called this
  3. 5. the type of drawing that uses 30 degree lines
  4. 7. small sketches to work out composition
  5. 8. an oval shape
  6. 9. how dark or faint a line is
Down
  1. 1. a quick drawing
  2. 3. adding colour to show surface qualities
  3. 4. 90, 45, 30 degrees- these are all....
  4. 6. the construction lines used to create shapes