puts "TODO OCC12345 ALL: Error :  is WRONG because number of "
puts "============"
puts "OCC16667"
puts "============"
puts ""
#######################################################################
# 2D Offset algorithm fails
#######################################################################

restore [locate_data_file OCC16667-wire.brep] a

mkoffset resoffset a 1 -20
renamevar resoffset_1 result

set length 1200.16
checknbshapes result -vertex 8 -edge 8 -wire 1 -face 0 -shell 0 -solid 0 -compsolid 0 -compound 0 -shape 17
set 2dviewer 0