Please read the instructions before using the Bulk Upload 3D Models feature
here
.
Bulk upload is available for authors who have uploaded at least 5 3D models.
This feature is designed to save time and effort for experienced authors with a substantial number of models.
Each file must contain at least 5 models. If there are fewer than 5 models, please use the individual model upload function
here
.
Upload 3D Model: Drag and drop your file here (ZIP/RAR/7Z, Maximum: 1 file, 5120 MB).
Please include "http://" or "https://" in the URL.