About 3D Assets =============== SKP (SketchUp) ************** 3D objects with the **.SKP** file format are created in the SketchUp software. You can import **.SKP** files from SketchUp Version 6 through 2019. SolidWorks ********** Files with **.SLDPRT** and **.SLDASM** file format are CAD file format used by SolidWorks. The **.SLDPRT** file is the "PART" file that contains a single 3D part The **.SLDASM** file is the "ASSEMBLY" file that links multiple **.SLDPRT** files to form a project. Upload the compressed zip file with the **.SLDASM** file and all **.SLDPRT** files. Missing Texture *************** Assets appearing as dull gray color after importing indicates missing texture. In the setting thumbnail page, a warning about missing texture is displayed. If texture is missing, make sure that the 3D objects includes all texture and upload the file again.