puts "========="
puts " OCC505 "
puts "========="
puts ""
#####################################
## BRepExtrema_DistShapeShape throws an exception.
#####################################

restore [locate_data_file OCC505a.brep] su1 
checkshape su1

restore [locate_data_file OCC505b.brep] su2
checkshape su2

distmini d su1 su2