puts "============================================"
puts "OCC31845: BRepOffsetAPI_MakeThickSolid fails"
puts "============================================"
puts ""

restore [locate_data_file bug31845_1.brep] a

explode a f

offsetparameter 1e-7 p i
offsetload a -0.2 a_5 a_6
offsetperform result

checkshape result
checkprops result -s 388.879
checknbshapes result -t -edge 24 -wire 12 -face 10 -shell 1 -solid 1
checkview -display result -2d -path ${imagedir}/${test_image}.png