Originally posted by Jack Of Spades How did you do the roughness of the walls? Looks very realistic. Mate, this is easy... First of all I made my textures in Photoshop so this "tutorial" use Photoshop commands You made first the color texture for your object lets say… texture_color.psp, now you make a copy of this… texture_bump.psp, ok so far so good… Now you take the texture_bump.psp and desaturate all texture layers (if there are more than one) to obtain a gray scale texture. From now one everything you have to do is to play around with the adjustments (level or brightness/contrast, or both) and with filters (blur or sharpen) to obtain the desired roughness. You save the files in jpg, bmp, tiff or other extension and obtain for example: texture_color.jpg and texture_bump.jpg. Now you are feel free to use those thexture files in Maya in Hipershade to define your object material Hope this will help Cheers.