diff options
Diffstat (limited to 'lib/stitches/contour_fill.py')
| -rw-r--r-- | lib/stitches/contour_fill.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/stitches/contour_fill.py b/lib/stitches/contour_fill.py index 2ea61afb..993fa104 100644 --- a/lib/stitches/contour_fill.py +++ b/lib/stitches/contour_fill.py @@ -569,6 +569,7 @@ def _make_fermat_spiral(rings, stitch_length, starting_point): def _make_spiral(rings, stitch_length, starting_point): path = [] + spiral_part = None for ring1, ring2 in zip(rings[:-1], rings[1:]): check_stop_flag() @@ -577,7 +578,8 @@ def _make_spiral(rings, stitch_length, starting_point): # skip last to avoid duplicated points path.extend(spiral_part.coords[:-1]) - # at the end add last point - path.append(spiral_part.coords[-1]) + if spiral_part: + # at the end add last point + path.append(spiral_part.coords[-1]) return path |