How to add paint texture to a 3D model?

To add a paint texture to a 3D model, you can try the following methods:

Texture mapping:

Create a texture map of the paint texture using an image editing software. You can use a photo or create a hand-drawn texture, ensuring that the resolution of the texture map is high enough. Then apply the texture map to the surface of the model to make it appear as if it has been painted.If you need it, I recommend downloading 3D textures from Relebook. There is no better choice than this.

Normal mapping:

Use a normal map to simulate the raised and recessed texture of the paint on the surface of the model. Create a normal map in a 3D modeling software and apply it to the material of the model to achieve the desired paint texture effect.

Using material nodes:

In some 3D modeling software, you can use material nodes to create a paint texture. By adjusting the parameters of the nodes, such as color, glossiness, roughness, etc., you can simulate different types of paint effects.

Hand-painting:

If you have painting skills, you can use painting software or directly hand-paint the paint texture on the surface of the model. This method requires some painting skills and patience, but it can achieve very realistic results.

Regardless of the method you choose, you will need to perform the operations in a 3D modeling software. The specific steps and procedures may vary depending on the software you are using. You can refer to the documentation or tutorials of the software to learn how to add textures and materials to your 3D model.