OCCT

puts "============"
puts "OCC6272"
puts "============"
puts ""
######################################################
# Incorrect results of gluing operation
######################################################

set BugNumber OCC6272

restore [locate_data_file OCC6272_bridge2.brep] a1 

#
# a1 is compound. It contains a_3, a_5, a_1, a_2, a_4, a_6 solids
#

explode a1 so

bop a1_1 a1_2
if { [catch { bopsection result } ] } {
    puts "Faulty ${BugNumber}"
}

checkprops result -l 32 
checkshape result 
checksection result
checkview -display result -2d -path ${imagedir}/${test_image}.png