There are various options in the marketplace for this:
https://marketplace.mendix.com/link/component/118345 for example
Hello Kavipriya,
You may find the following widgets helpful for viewing content in 3D mode:
1. 3D Viewer: This widget allows you to display 3D models and interact with them in your Mendix application. You can find it at the following link: 3D Viewer Widget
2. STL Viewer: If you specifically need to view STL (Stereolithography) files, this widget is suitable. It enables you to visualize and manipulate STL models within your Mendix application. You can find it here: STL Viewer Widget
Hope it helps!!!