This article introduces five free and accessible 3D modeling AI tools, including CSM.ai, Wonder Studio, Meshy, LeiaPix, and 3DFY. These tools assist users in efficiently creating 3D game assets, enhancing visual effects for film projects, and facilitating marketing and product visualization. Leveraging AI technology, users can quickly generate high-quality 3D models by simply uploading images or providing text prompts, significantly improving production efficiency and reducing costs.