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The curves look fine in wireframe, but in solid part of the "S" and about 1/4 of the bottom of the rounded square is missing (the first picture is wireframe and the second is solid).

wireframe

solid

saclement99
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    Check your curves for any small gaps or intersections. These often throw off the fill operator, giving partially filled shapes.. – gandalf3 May 31 '15 at 20:58
  • it could also have been a problem with ortho mode, even though it wasn't, it's always nice to switch to a perspective to make sure there are no hidden faces or edges. – ruckus May 31 '15 at 23:27
  • illustrated nicely here: http://blender.stackexchange.com/questions/2720/text-objects-are-messed-up-when-using-offset/2727#2727 – zeffii Jun 01 '15 at 06:05

1 Answers1

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The most likely cause is Self Intersecting segments. The same happens if you have a text object and extrude it to the point where Curves intersect other curves:

From: text-objects-are-messed-up-when-using-offset/2727#2727 (Different question, same answer and reason)

image or self intersection

zeffii
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