With modeling behind me, I had to make a decision. Do I try to copy the original or do I make my own textures. After staring at the painting for god knows how long, I decided to take the middle road. Do a little of both. Mapping is a big part of texturing so I try to map as many objects as I can before I get bored and start creating textures. Planar mapping was used on 90% of the objects. A few of them were unwrapped and few used cylindrical mapping. I use Texporter plugin to grab a screen shot of the wire model and bring it into Photoshop. With wire image on my bottom layer, I create a layer set and name it »Diffuse«. Then the fun begins. As a base I always try to use a clean picture of the material I am after. Google images is the place to look. If the image is too small, I crop it and clone it so it fills the canvas. A quick use of a clone tool can quickly erase the seams and then we are ready to party.
Adding grime and dirt is the best part... at least for me. You can use almost any picture, play around with opacity and blending mode and something is bound to look right. For little details I turn to my little trusty Wacom tablet. I am the first to admit that I suck at drawing, but the good thing about computers is the CTRL+Z a.k.a. the »Undo function«. I am also a big fan of adjustment layers where you can play around with hue, color, brightness, contrast, etc. These can especially come handy when you want to change the feel or the overall color of the texture quickly. When creating textures I tend to go a little overboard with the resolution, as one never knows how big of a render he will have to do. For big objects I normally go up to 2000x2000. Going big is good for close-up shots, but on the down side it slows down the work flow as PSD files tend to get quite big very quickly (there is no such thing as having too much RAM). If you suck at drawing like I do, best way to do textures is to take pictures with your camera or search the net. Then just take what you need and try to blend it into the texture.
tamburin difuse
tamburin bump
tamburin wire
tamburin transpare
3DTotal
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Quick Tutorial on Chipped Paint:
Here is a quick tutorial on how to do old peeling paint/chipped wood or metal in a few simple steps. As a base layer use a picture of the material you want to apply paint to (wood, metal...). Click on Paint Bucket and check the All Layers box. Set the tolerance to around 30 (depends on the contrast of the original picture) and start painting. All Layers option forces the paint to only fill certain areas. When you are happy with the result, create a new layer, use a noise filter and adjust the blending mode/opacity. To give it a final touch, add a dirt layer and you are done
