Whichever method you use, you should use it after you have finished modifying the image since otherwise you will lose later modifications to the image. There are two ways of making sure you don't lose your image. IMPORTANT: when you do UV unwrap you create a 2D (flat) image that won't necessarily be saved when you save your Blend file so there is a risk that you may lose the image. It's also possible to paint the UV image in a separate program such as the GIMP or Photoshop, but that approach is not discussed here. It's usually better to paint directly in the 3D viewport since it is more natural and since it avoids problems of painting across seams. This is problematic though when you paint on the edges of the shapes (called islands) in the UV image, which correspond to the seams. Placing the seams manually allows for the unwrapped image to be in fewer parts, which is important if you want to paint directly on the unwrapped UV (flat) image. Inevitably, tears or 'seams' will appear as the object is unwrapped - these seams can either be placed automatically or manually. In both cases you will first need to 'unwrap' the surface of the object, a process which can be compared to removing and flattening the peel of an orange.
There are two ways to paint your 3D object. If you want to be able to have more freedom in your painting, then 3D painting is a good option - it lets you paint as if you were using a paintbrush or airbrush. If all you want to do is apply a solid colour to your 3D object or to certain faces of your 3D object then see the 'materials' page, not this one.
It shows the head being given seams manually before being unwrapped, which is advisable if you want to paint directly on the unwrapped UV image. Like the previous one, it shows a combination of face-by-face coloring and texture painting with a brush. It uses the same automatic unwrap that is used in the first video.įinally, this Vimeo video is shorter in the sense that it is 14 minutes, but some parts are speeded up. This video is 24 minutes longer, a bit longer than the one above, because but it also shows that texture painting can be combined with face-by-face coloring (adding slots and additional materials).
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