typedef int PK_BODY_sewing_type_t;


Enum to indicate desired body type of the results from applying
 PK_BODY_sew_bodies

    PK_BODY_sewing_solid_c   - make closed sheets into solids
    PK_BODY_sewing_sheets_c  - leave results as sheets unless non-manifold
    PK_BODY_sewing_general_c - leave sheets as general bodies ( always )
    PK_BODY_sewing_any_c     - make sheet least general possible ( i.e.
                               prefer in order: solid, sheet, general )