3d assets Preview Issue

[#1]

I am uploading 3d assets in the DAM but the preview is not coming for the same. When I use the same glb file, the 3d view is coming in the html but its not opening the view in space for AR. 

[#2 · Accepted solution]

Please confirm if you have installed all prerequisite AEM packages successfully. See https://docs.adobe.com/content/help/en/experience-manager-64/assets/three-d/install-config-3d.html for more details.