OCCT

# test script on make volume operation
# cone plane

# planar face 
plane pln_f1 0 0.59246306999999998 -3.3217190109624537e-017 0 -1 1.1102230246251565e-016
erase pln_f1
mkface f1 pln_f1 -1000000 1000000 -1000000 1000000

# conical face 
cone con_f2 0 0.63500000000000001 0 0 -1 1.1102230246251565e-016 75.000001447462765 0
erase con_f2
mkface f2 con_f2 0 6.2831853071795862 0 1000000

# planar face 
plane pln_f3 0 0.63500000000000001 0 0 -1 1.1102230246251565e-016
erase pln_f3
mkface f3 pln_f3 -1000000 1000000 -1000000 1000000

# make volume operation 
mkvolume result f1 f2 f3

checkprops result -s 0.161139