puts "TODO OCC28656 ALL: TopoDS_LockedShape: BRep_Builder::UpdateEdge"

puts "========"
puts "OCC28656"
puts "========"
puts ""
#####################################
## 3d offset modifies the input shape
#####################################

pcylinder s 5 15

setflags s locked

explode s f

offsetparameter 1e-7 c i
offsetload s 1 s_2

catch {offsetperform result}

checkview -display result -2d -path ${imagedir}/${test_image}-2d.png