puts "========================"
puts " OCC183 "
puts "(case 3)"
puts "========================"
puts ""

restore [locate_data_file so1] b1 
puts [checkshape b1]

restore [locate_data_file so4] b2
puts [checkshape b2]

bcut result b1 b2
puts [checkshape result]

set check_square 1
set square 863.938
set 2dviewer 0