Desterian's Homemade Crossword Puzzle ^_^

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Across
  1. 4. A Turning Around
  2. 6. Mental Representation
  3. 7. Form or Shape
  4. 8. The Quality
  5. 11. Center of Gravity
  6. 13. Three Unequal Sides
Down
  1. 1. Equality of Measure
  2. 2. An Image
  3. 3. Change In Form
  4. 5. Representation of A Person, Animal, or Thing
  5. 9. Equal Sides
  6. 10. Conversion To Another Form
  7. 12. Two Sides Equal