brep_v2.0 2 2
()
(
1 0 # cp 0
1.0000000000000002 0.3568220897730896 # cp 1
0.80901699437494801 0.68761435889789313 # cp 2
0.50000000000000089 0.86602540378443815 # cp 3
0.19098300562505391 1.0444364486709834 # cp 4
-0.19098300562505077 1.0444364486709841 # cp 5
-0.49999999999999828 0.8660254037844396 # cp 6
-0.80901699437494579 0.68761435889789557 # cp 7
-0.99999999999999911 0.35682208977309243 # cp 8
-1 2.7869958944826134e-015 # cp 9
-1.0000000000000011 -0.35682208977308688 # cp 10
-0.80901699437495012 -0.68761435889789069 # cp 11
-0.50000000000000344 -0.8660254037844366 # cp 12
-0.19098300562505705 -1.0444364486709827 # cp 13
0.19098300562504739 -1.0444364486709845 # cp 14
0.49999999999999545 -0.86602540378444126 # cp 15
0.80901699437494368 -0.68761435889789813 # cp 16
0.99999999999999778 -0.35682208977309615 # cp 17
0 -0.90000000000000002 # cp 18
0.77942286340599509 0.44999999999999962 # cp 19
-0.77942286340599509 0.44999999999999962 # cp 20
) 
(   # begin topological vertices
v0_cav1  ()  () ()  ( (vertex 18 ) )
v1_cav1  ()  () ()  ( (vertex 19 ) )
v2_cav1  ()  () ()  ( (vertex 20 ) )
 ) # end topological vertices
(   # begin topological edges
e18  ()  () ()  ( (bezier_curve 3 0 1 2 3 )
    (bezier_curve 3 3 4 5 6 )
    (bezier_curve 3 6 7 8 9 )
    (bezier_curve 3 9 10 11 12 )
    (bezier_curve 3 12 13 14 15 )
    (bezier_curve 3 15 16 17 0 ) )
e1_cav1  ()  (v0_cav1 v1_cav1 ) ()  ( (bezier_curve 1 18 19 ) )
e2_cav1  ()  (v1_cav1 v2_cav1 ) ()  ( (bezier_curve 1 19 20 ) )
e3_cav1  ()  (v2_cav1 v0_cav1 ) ()  ( (bezier_curve 1 20 18 ) )
 ) # end topological edges
(   # begin topological regions
mregion  ()  (e18 e1_cav1 e2_cav1 e3_cav1 ) ()  ( )
 ) # end topological regions