Have you tried using the Edge Effect (Normals) image effect? It should be a lot closer to what you're expecting, hopefully! http://docs.unity3d.com/Manual/script-EdgeDetectEffectNormals.html
Hi! So I wondering if there is chance to create shader for Unity which looks like technical drawing? I've tried use Edge detection script but it doesn't work very well. Also I found this and it could be perfect for my purpose: http://forums.tigsource.com/index.php?topic=40832.msg1024980#msg1024980 Especially this image:…