These blank frames can be used “as is,” or can serve as a starting point for you to remix and add your own textures, objects, or messages.
They are compatible with the Backing Attachments found here: https://social.thangs.com/m/756402
See here for video: https://youtu.be/V-vIGnnUx5w
The “Blank Circular Frame for Remixing” can be used for basic surface modifications. The back of the frame has indents to attach to the various backing options. Be sure that your modifications to the front surface to not inadvertently alter the back attachment surfaces!
To take your remixing a step further, you can make more complex modifications to the “Full Toroid” and then use a “Boolean Subtract” operation in your software to subtract the “Frame Backing Slicer” from from your remix, making it compatible with the backing options.