Drafting Crossword LETTERING

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Across
  1. 2. draws circles and arcs
  2. 6. 45 degrees, 30 degrees by 60 degrees, adjustable
  3. 7. vellum, polyester, bond
  4. 9. how many strokes are used to make a letter A
  5. 11. width of the letter O
  6. 15. keeps letters the same height
  7. 17. recognizes the use of single-stroke gothic letters
  8. 18. tracing paper treated to make it more transparent
  9. 19. clean drawings w/o smudging
  10. 20. height 3mm or .125 tall
Down
  1. 1. should appear equal between layers
  2. 3. hold special technical pens of several different thicknesses and color
  3. 4. inkject printers are now available in a variety of sizes
  4. 5. very transparent, strong and lasting
  5. 8. drawing repetitive features
  6. 10. Erase near lines that should not be erased
  7. 12. mechanical, lead holder, wooden
  8. 13. standard printing and copy paper
  9. 14. what direction do two of the letter A's strokes go
  10. 16. measure and layout angles
  11. 20. soft 6b-2b, medium B-3H, Hard 9H-4H