puts "================"
puts "OCC27"
puts "================"
puts ""

restore [locate_data_file shading_128.brep] a 
checkshape a

explode a e
blend result a 1 a_5 1 a_6 1 a_7 1 a_8
puts [checkshape result]

set check_square 1
set square 155.846

set 2dviewer 0