Brodi3 Posted March 27, 2014 Share Posted March 27, 2014 Hi guys,I'm really grateful for all the help I have received while learning blender, I find it very difficult to source online content which applies to the problem I seem to always have so posting is really the best thing for me, I just apologise if it's annoying to always get questioned like this.I have built a garment similar to the last one I made just to keep practising with the tools and programs I am new too. In blender my piece looks like this:http://s1354.photobucket.com/user/CricketTheConure/media/help1_zpsf23aa236.jpg.html It has two faces, the collar and the body of the dress and these are set to two different materials. When uploading, the preview window shows this,http://i1354.photobucket.com/albums/q696/CricketTheConure/help2_zpsdf324b94.jpgthat my back is invisible? Does anyone have any idea what might be causing this? Link to comment Share on other sites More sharing options...
Aquila Kytori Posted March 27, 2014 Share Posted March 27, 2014 Link to comment Share on other sites More sharing options...
Brodi3 Posted March 27, 2014 Author Share Posted March 27, 2014 It looks odd? The back has dissapeared. Sorry I dont know how to post pictures here yet, http://i1354.photobucket.com/albums/q696/CricketTheConure/help1_zpsb7227a4d.jpg Link to comment Share on other sites More sharing options...
Aquila Kytori Posted March 27, 2014 Share Posted March 27, 2014 Link to comment Share on other sites More sharing options...
Brodi3 Posted March 27, 2014 Author Share Posted March 27, 2014 Thank you, got the image. That has taken away the other face, the collar. Link to comment Share on other sites More sharing options...
Brodi3 Posted March 27, 2014 Author Share Posted March 27, 2014 oh but in second life it has brought the back with it? just not the collar? Link to comment Share on other sites More sharing options...
Aquila Kytori Posted March 27, 2014 Share Posted March 27, 2014 Link to comment Share on other sites More sharing options...
Brodi3 Posted March 27, 2014 Author Share Posted March 27, 2014 Brilliant! Thank you so much. Do you know why they may have happened or what I can do in the future to prevent it? Link to comment Share on other sites More sharing options...
Aquila Kytori Posted March 27, 2014 Share Posted March 27, 2014 Short answer is : Faces in mesh only have 1 face /side . With backface Culling enabled add a Plane to your scene. and have a look at it from all angles . 1 face will be visible and the other ............well there isn't a second face. its not transparent it just does not exist. Its all about Normals The direction of the Face and Vertex normals determine how light bounces off the edges and surfaces of the mesh. The Normals should always be facing outwards. If they are facing inwards then you will appear to have holes in your mesh. Extruding and mirroring can often result in Normals facing the wrong way Its a good idea to always work with Backface Culling enabled so that you can see straight away when you have added faces that are facing the wrong way and fix them as you go along. 1 Link to comment Share on other sites More sharing options...
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