When creating a 3D Viewer post, you will see the configuration area under the shortcode area. From there you can configure the 3D Viewer.
Sources
For the sources, you can add single(Simple Type) or multiple(Cycle Type) models. Also, Posters for each model.
Sources- Simple
By default, the Simple Model Type is selected. By this, you can add a model Source(by uploading or inserting a link). Also can upload a Poster for the model.

Sources- Cycle
To show multiple models, change the Model Type to Cycle and the Poster Type to Cycle. Then insert models and posters repetitively. Also, set Cycle Animation Duration.

Options
After setup, the sources configure the options accordion to your needs. For the configuration, enable/disable Autoplay, Preload, Moving Controls, Zoom, Auto Rotate, Custom Angel, and set Loading Type(Auto, Lazy, Eager), Auto Rotate Speed, Auto Rotate Delay.

Elements
For the elements, show/hide the Fullscreen button, Progressbar, Progress Percent, and set Shadow Intensity, Exposure(Brightness).

Styles
To style set width, height, alignment, background color, progress bar color, and icon color of the 3D Viewer.
