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Blender: Make faces all Clockwise/Counterclockwise

Started by BiGF00T Mar 4, 2008 at 11:44 AM 4 replies 6.8k views

Original Post

Mar 4, 2008 at 11:44 AM

Hey guys, it's me again. I think I messed up my model today because I didn't pay too much attention to the order in which I clicked at the vertices to make a face. Is there a good way to turn them around automatically? Like if I select a whole box, can I select some menu and tell it to rotate all outter faces in a certain direction? Or can I at least see it inside of blender if I do it wrong next time? Thanks in advance BiGF00T EDIT: Oh, ok. If I set it to textured, then I can see my mistakes. Luckily there are not too many. I should easily be able to fix them. Now I only need to know whether I need to remove and add the faces again or if I could just select the face and press a magic button. EDIT2: Ok, it doesn't seem to change if I select the vertices in a different direction. Now that I think about it, it would also not make sense because I sometimes selected them without any order or rotation. So how did it happen? All I did was to make a box, subdivide it, then move some vertices or edges and then I deleted the vertices which I didn't need for the manipulation and filled the gaps with new faces. I don't want this to happen again so I should find out what my mistake was.

dpadam450

Mar 4, 2008 at 11:42 PM

First. If you have say a sphere, and its missing one tiny triangle, you can click the 3 dots in any order to fill the hole and it will know which way the normal goes.

Second. If you select all your vertices (Ctrl A) and hit (Ctrl N), the shortcut for recalculate normals, then based on your objects center point, it will compute the normals correctly (98% of the time).

BiGF00T

Mar 5, 2008 at 1:06 AM

Thanks, I'll try that later.

Is there any way that I can ensure to have the normals pointing outwards if I click at a few vertices and then press F?

BiGF00T

Mar 5, 2008 at 1:43 AM

Thanks, I'll try that later.

Is there any way that I can ensure to have the normals pointing outwards if I click at a few vertices and then press F?

Ok, I think I'll just try to have a look after I finished adding some faces and if they are not correct, then just press ctrl + n

EDIT: w00t, it worked ;)
Thanks

dpadam450

Mar 5, 2008 at 6:22 PM

In the event that it makes the wrong normal, in the botton edit tab, there is a button that says "Flip Normal". Just go into "face select mode" and select all the retarded faces and click that button.

dpadam450

Mar 5, 2008 at 7:01 PM

BTW, its not Ctrl+A to select all, its just 'A'

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