ShareTextures allows you to download 3D models and textures for free with no limit on the number of copies, and all materials are CC0 licensed, so you can use them freely.

Adding textures is a great way to experiment with giving 3D prints a different look, and [PandaN] shows off a method of adding a wood grain effect in a way that’s easy to play around with. It… ...

It maps the object and adds a three dimensional texture on top of it that matches the geometry of the object. For example, you can enter a text prompt to create texture for a 3D wooden treasure chest.

Adobe Substance 3D’s AI features can turn text into backgrounds and textures. Two new beta tools for Adobe Substance can generate object textures and staging environments using text descriptions.