Random lines popping up with Freestile when Sketchy When I render a simple animation with Freestyle (all default settings, except sketchy at 3 and the Bezier modifier at 50) I get this result on some frames:



There are some lines appearing out of nowhere. The model has a simple diffuse material (not rendered in passes). How can I solve this without losing the sketchy style?

Here is a succesful image:


And the blend file:

http://pasteall.org/blend/40571

Frames 21 and 24 illustrate the problem.

Thanks in advance.
Play with the error settings for the bezier curve modifier:

Original:



Smaller value: