Looks great, very inspiring.
Some of these, like examples/blocks.svg[1], are not immediately recognized as qr codes by humans. This could lead to interesting possibilities; e.g. art with qr code/codes seamlessly integrated into it - and perhaps noticed only after someone tries to take a picture.
[1]: https://github.com/zhengkyl/qrframe/blob/b7705844b71764bcea8...
My phone's camera app is not able to recognize the alien[0] one either. Looks cool though.
0. https://github.com/zhengkyl/qrframe/blob/b7705844b71764bcea8...