diff -r 672ebc45685a -r 9169bad392c4 parse.py
--- a/parse.py	Mon Jan 22 17:42:57 2018 +0200
+++ b/parse.py	Mon Jan 22 17:46:48 2018 +0200
@@ -9,25 +9,23 @@
 def parse_ldraw_code(line):
     line = line.strip()
     if not line:
-        object = linetypes.EmptyLine()
+        return linetypes.EmptyLine()
     elif line == '0':
-        object = linetypes.Comment('')
+        return linetypes.Comment('')
     elif line.startswith('0 '):
-        object = linetypes.Comment(line[2:].strip())
+        return linetypes.Comment(line[2:].strip())
     elif line.startswith('1 '):
-        object = parse_ldraw_subfile_reference(line)
+        return parse_ldraw_subfile_reference(line)
     elif line.startswith('2 '):
-        object = parse_ldraw_line(line)
+        return parse_ldraw_line(line)
     elif line.startswith('3 '):
-        object = parse_ldraw_triangle(line)
+        return parse_ldraw_triangle(line)
     elif line.startswith('4 '):
-        object = parse_ldraw_quadrilateral(line)
+        return parse_ldraw_quadrilateral(line)
     elif line.startswith('5 '):
-        object = parse_ldraw_contour(line)
+        return parse_ldraw_contour(line)
     else:
         raise BadLdrawLine('unknown line type')
-    object.original_code = line
-    return object
 
 def parse_ldraw_subfile_reference(line):
     pattern = r'^1\s+([^ ]+)' + r'\s+([^ ]+)' * (3 + 9 + 1) + r'\s*$'