View your products previous Published versions from History.
Go to your product
Go to History from the top left
Choose your desired version!

You can save Materials to Personal Library and export to USDZ, GLB and glTF
Go to your product
Go to History from the top left
Choose your desired version!

You can save Materials to Personal Library and export to USDZ, GLB and glTF
Published on: 21 / 03 / 2019