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Andy · 11th May 2005, 04:45 AM

Well you can just set everything to be one sided and look for holes or, if your object is very complicated, try this:

select all surfaces and make sure they are 1-sided (press '1S').

Press control+c and then control+v to copy and paste a duplicate in the same position.

use Surface->flip-normals to reverse the new surfaces

set a bright color that you are not using e.g. yellow.

Now, if you can see yellow surfaces, those are the areas where your surface normals probably need flipping. You'll need to remove the duplicate of course.

11th May 2005, 04:45 AM	#2
Andy Administrator Professional user Join Date: Jun 2003 Posts: 4,565	Well you can just set everything to be one sided and look for holes or, if your object is very complicated, try this: select all surfaces and make sure they are 1-sided (press '1S'). Press control+c and then control+v to copy and paste a duplicate in the same position. use Surface->flip-normals to reverse the new surfaces set a bright color that you are not using e.g. yellow. Now, if you can see yellow surfaces, those are the areas where your surface normals probably need flipping. You'll need to remove the duplicate of course.