  ;; structure parameters
;(simplify::sfy-set-default-parameter :REMOVE-PARTS nil)
;(simplify::sfy-set-default-parameter :PART-SIZE 0.0)
;(simplify::sfy-set-default-parameter :USE-VISIBILITY t)

  ;; geometry parameters

;  ( simplify::sfy-set-default-parameter :REMOVE-BLENDS       nil)
;  ( simplify::sfy-set-default-parameter :BLEND-SIZE          0.0)
;  ( simplify::sfy-set-default-parameter :CHECK-BLEND-RESULT  nil)
;  ( simplify::sfy-set-default-parameter :REMOVE-HELIX        nil)
;  ( simplify::sfy-set-default-parameter :HELIX-SIZE          0.0)
;  ( simplify::sfy-set-default-parameter :CHECK-HELIX-RESULT  nil)
;  ( simplify::sfy-set-default-parameter :REMOVE-POCKETS        t)
;  ( simplify::sfy-set-default-parameter :REMOVE-BOSSES       nil)
;  ( simplify::sfy-set-default-parameter :REMOVE-SLOTS          t)
;  ( simplify::sfy-set-default-parameter :REMOVE-RIBS         nil)
;  ( simplify::sfy-set-default-parameter :HEIGHT-CHECK          t)
;  ( simplify::sfy-set-default-parameter :DEPTH-CHECK         nil)
;  ( simplify::sfy-set-default-parameter :WIDTH-CHECK         nil)
;  ( simplify::sfy-set-default-parameter :PATH-CHECK          nil)
;  ( simplify::sfy-set-default-parameter :FEAT-HEIGHT         0.0)
;  ( simplify::sfy-set-default-parameter :FEAT-DEPTH          0.0) 
;  ( simplify::sfy-set-default-parameter :FEAT-WIDTH          0.0)
;  ( simplify::sfy-set-default-parameter :FEAT-PATH           0.0)
;  ( simplify::sfy-set-default-parameter :CHECK-SIMP-RESULT   nil)
;
;  ;; merge parameters
;  ( simplify::sfy-set-default-parameter :CHECK-UNITE-RESULT   nil)
;  ( simplify::sfy-set-default-parameter :ALLOW-NONMANIFOLD      t)
;
;  ;; misc parameters
;  ( simplify::sfy-set-default-parameter :KEEP-VIS-FACES       nil)
;  ( simplify::sfy-set-default-parameter :CHECK-SELF-INT         t)
;  ( simplify::sfy-set-default-parameter :KEEP-REMOVED-ELEMS   nil)
;  ( simplify::sfy-set-default-parameter :DETECT-CLASH-ELEMS   nil)
;  ( simplify::sfy-set-default-parameter :REMOVE-HIDDEN1         t)
;  ( simplify::sfy-set-default-parameter :REMOVE-HIDDEN2         t)
;  ( simplify::sfy-set-default-parameter :REMOVE-HIDDEN3       nil)
;  ( simplify::sfy-set-default-parameter :GEN-MASS-PROPS       nil)
   ( simplify::sfy-set-default-parameter :MASS-PROPS-ACC       0.1)

  ;; execute parameters
;  ( simplify::sfy-set-default-parameter :PART-SIMPLIFY        t)
;  ( simplify::sfy-set-default-parameter :RESULT               :FIXED-STRUCTURE) 
;  ( simplify::sfy-set-default-parameter :RESULT               :MERGED-SOLID) 

