This visualization is purely done by PowerPoint. PowerPoint supports 3D model, these slides use .fbx file which was exported by VC. Hope this is helpful for your presentation.
2 tricks are used.
- Shape Format → Merge Shapes
- Transitions → Morph
Supported 3D file formats
https://support.microsoft.com/en-us/office/3d-content-guidelines-for-microsoft-03a7b493-d549-4f1a-9735-f2457adf6261
Here is the .pptx file.
PowerPoint visualization.zip (12.3 MB)