puts "============"
puts "OCC27386"
puts "============"
puts ""
#####################################################################
# BRepOffsetAPI_MakePipeShell does not provide history of generations
#####################################################################


polyline sp 0 0 0 10 0 0 10 0 10 10 10 10 0 10 10 0 10 0 0 0 0
polyline pr 0 -2 -2 0 2 -2 0 2 2 0 -2 2 0 -2 -2

mksweep sp
addsweep pr
buildsweep q -R

explode pr

savehistory sweep_hist

generated r1 sweep_hist pr_1
generated r2 sweep_hist pr_2
generated r3 sweep_hist pr_3
generated r4 sweep_hist pr_4

explode pr v

generated r1 sweep_hist pr_1
generated r2 sweep_hist pr_2
generated r3 sweep_hist pr_3
generated r4 sweep_hist pr_4