I used to have a Public/Private paper wallet that I was printing from an offline html.
From the site bitaddress.org I downloaded the html file and ran it on an offline computer.
From that computer I was able to generate Public/Private Bitcoin addresses
and print them on a sheet of paper that could fold in a convenient size.
That printed paper showed QR code for each the private and public key.
A very convenient tool.

Now that the new standard became Descriptor Wallet, the Private Key functionality is no longer easely available.
Now I have to find another convenient way to keep a paper backup Descriptor Wallet, idealy with QR code, as was previously available.

When one creates a new wallet from Bitcoin Core V26,
Is it possible to build a QR code of the actual wallet/private key/ as a solid backup paper wallet ?
How can I make a paper wallet from a Descriptor Wallet ?

Thanks