puts "============"
puts "OCC20807"
puts "============"
puts ""
#######################################################################
# Construction of pipe among a helix containing several convolutions fails
#######################################################################

set BugNumber OCC20807

restore [locate_data_file bug20807_coil.brep] spine 
explode spine

restore [locate_data_file bug20807_circ.brep] profile 

mksweep spine_1
addsweep profile

buildsweep result

set square 44761.1

checknbshapes result -vertex 2 -edge 3 -wire 1 -face 1 -shell 1 -solid 0 -compsolid 0 -compound 0 -shape 8
set 2dviewer 1