1. fix duplicate node

    Closed
    #67631787 0 1 1 0

  2. fix duplicate node

    Closed
    #67631756 0 1 1 0

  3. fix duplicate node

    Closed
    #67631700 0 1 1 0

  4. fix duplicate node

    Closed
    #67631663 0 1 1 0

  5. fix duplicate node

    Closed
    #67631624 0 1 1 0

  6. fix duplicate node

    Closed
    #67631466 0 2 1 0

  7. work on self intersection

    Closed
    #67531067 0 2 1 0

  8. work on self intersection

    Closed
    #67531050 0 1 1 0

  9. work on self intersection

    Closed
    #67531036 0 4 0 0

  10. work on self intersection

    Closed
    #67531015 0 1 1 0

  11. work on self intersection

    Closed
    #67530983 0 3 0 0

  12. work on self intersection

    Closed
    #67530964 0 1 1 0

  13. work on self intersection

    Closed
    #67530955 0 2 1 0

  14. work on self intersection

    Closed
    #67530939 5 8 1 0

  15. work on self intersection

    Closed
    #67530902 5 1 4 0

  16. work on self intersection

    Closed
    #67530860 3 4 1 0

  17. work on self intersection

    Closed
    #67530814 0 1 0 0

  18. work on self intersection

    Closed
    #67530777 0 2 0 0

  19. work on self intersection

    Closed
    #67530757 0 1 0 0

  20. work on self intersection

    Closed
    #67530739 0 2 1 0