When working with 3D models, it's important to be able to view and modify their parameters to ensure that they meet your design requirements. Here are some key steps and tools for accessing and adjusting 3D model parameters:

1. Use Appropriate Software: To view and modify 3D model parameters, you'll need to use 3D design software such as Autodesk Fusion 360, SolidWorks, or Blender. These tools provide comprehensive interfaces for accessing and adjusting parameters for different types of 3D models.

2. Accessing Parameters: Once you have your 3D model open in the software of your choice, you'll typically find the parameters panel within the interface. This panel will display a list of all the parameters associated with the 3D model, including dimensions, angles, materials, and more.

3. Modifying Parameters: To modify a parameter, simply locate it in the parameters panel and make the desired changes. For example, you can adjust the length, height, or width of a 3D object, change a material type, or modify the angle of a feature. As you make these changes, the 3D model will update in real-time to reflect the new parameters.

4. Using Constraints: Some 3D design software also allows you to apply constraints to parameters, which can help you to maintain specific relationships between different features of the model. For example, you can set up constraints to ensure that certain dimensions always remain proportional or that specific angles remain fixed.

5. Testing and Iterating: Once you've made changes to the parameters of your 3D model, it's crucial to test the design to ensure that it meets your requirements. By simulating real-world conditions and applying stress tests, you can verify that the modified parameters result in a functional and effective 3D model.

6. Documenting Parameters: It's also important to keep track of the parameters you've modified for future reference. This documentation can include notes on the reasons for specific changes, the effects of those changes on the 3D model, and any considerations for future iterations or similar designs.

Overall, viewing and modifying 3D model parameters is a fundamental aspect of the design process. By mastering the tools and techniques for accessing and adjusting parameters, you can optimize your ability to create and refine 3D models for a wide range of applications.