puts "========="
puts " OCC496 "
puts "========="
puts ""
##############################
## Exception occurs during fuse operation 
##############################

restore [locate_data_file OCC496a.brep] a_1 
puts [checkshape a_1]

restore [locate_data_file OCC496b.brep] a_2
puts [checkshape a_2]

bfuse result a_1 a_2

set check_square 1
set square 4949.79
set 2dviewer 0