Yes, you can easily find those assets from Connect, one of our family sites.
Connect is a sort of community that you can either upload the items you create or download the items created from other users.
How to get to the Connect store throughout Marvelous Designer
On the top left corner of the software, you can find the 'Store' tab, where you can not only have previews of the items from the Connect store but also purchase them.
Visiting the Connect website
Connect website: https://connect.clo-set.com/
Find the Store tab within the Connect web to download various items such as fabrics, avatars, and garments, either for free or with a fee.
Also, you can open your own designer shop by uploading any items created by yourself.