https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288556#M37272 <P>Type VG (Visibility/Graphics).</P><P>On the Model Categories tab of the Visibility/Graphic Overrides dialog, expand Mass.</P><P>Make sure that Mass and Mass Floor are selected.</P><P>Click OK.</P><P>&nbsp;</P><P><SPAN><A href="https://help.autodesk.com/view/RVT/2024/ENU/?guid=GUID-0C77CD72-B9E3-4E9E-967B-15EFFD1AA800" target="_blank" rel="noopener">https://help.autodesk.com/view/RVT/2024/ENU/?guid=GUID-0C77CD72-B9E3-4E9E-967B-15EFFD1AA800</A></SPAN></P> Fri, 06 Oct 2023 05:26:58 GMT jay_colc 2023-10-06T05:26:58Z https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288388#M37270 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="johnc17LDC95_0-1696559872803.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1275948i25A4EFAA4685DB92/image-size/medium?v=v2&amp;px=400" role="button" title="johnc17LDC95_0-1696559872803.png" alt="johnc17LDC95_0-1696559872803.png" /></span></P><P>You can see the 3D models in the thumbnail, but when you open it this is what you see...</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="johnc17LDC95_1-1696559933114.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1275949i6D38BD6BEE22C0CE/image-size/medium?v=v2&amp;px=400" role="button" title="johnc17LDC95_1-1696559933114.png" alt="johnc17LDC95_1-1696559933114.png" /></span></P><P>All gone. I feel like it's an easy fix but I'm not sure why they disappeared. I saved and reopened it before and had no issues then the one time I came back it's gone. But it's saved and the most recent file.&nbsp;</P><P>&nbsp;</P> Fri, 06 Oct 2023 02:40:45 GMT https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288388#M37270 johnc17LDC95 2023-10-06T02:40:45Z https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288446#M37271 <P>Did you click on show massing?</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="syman2000_0-1696563714989.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1275954i8FC29B55F7F67CD5/image-size/medium?v=v2&amp;px=400" role="button" title="syman2000_0-1696563714989.png" alt="syman2000_0-1696563714989.png" /></span></P><P>&nbsp;</P> Fri, 06 Oct 2023 03:41:57 GMT https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288446#M37271 syman2000 2023-10-06T03:41:57Z https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288556#M37272 <P>Type VG (Visibility/Graphics).</P><P>On the Model Categories tab of the Visibility/Graphic Overrides dialog, expand Mass.</P><P>Make sure that Mass and Mass Floor are selected.</P><P>Click OK.</P><P>&nbsp;</P><P><SPAN><A href="https://help.autodesk.com/view/RVT/2024/ENU/?guid=GUID-0C77CD72-B9E3-4E9E-967B-15EFFD1AA800" target="_blank" rel="noopener">https://help.autodesk.com/view/RVT/2024/ENU/?guid=GUID-0C77CD72-B9E3-4E9E-967B-15EFFD1AA800</A></SPAN></P> Fri, 06 Oct 2023 05:26:58 GMT https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12288556#M37272 jay_colc 2023-10-06T05:26:58Z https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12290261#M37273 <P>Thanks that worked!</P> Fri, 06 Oct 2023 19:48:27 GMT https://forums.autodesk.com/t5/revit-architecture-forum/3d-models-disappeared-but-are-visible-in-the-file-thumbnail/m-p/12290261#M37273 johnc17LDC95 2023-10-06T19:48:27Z