restore lh3d_px1.brep a

#removing intersection of faces a_3 and a_220

set faces [explode a f]
bop a_3 a_220
bopcut a_3
compound b
foreach f $faces {
  compound b $f b
}

set i 0
compound result

repeat 21 {
  plane p_$i 0 $i*100 0  0 1 0
  mkface f_$i p_$i
  bsection s_$i b f_$i -2d -a
  compound result s_$i result
  set dist [expr $i * 100]
  puts "OK Section:$dist"
  incr i 10
}

set length 2.49755e+06