In cesium, how to achieve the slanting model monomer

1. A concise explanation of the problem you're experiencing.

2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

4. The Cesium version you're using, your operating system and browser.

I’m sorry, I don’t understand what you are try to achieve. Can you maybe provide an example?