3D QR code.

Type a link and a little garden grows. Click the tree and it turns into the QR code.

Tree

https://www.ondrejtomasek.com/en/apps/3d-qr/view?url=https%3A%2F%2Fwww.ondrejtomasek.com%2Fen%2Fapps%2F3d-qr&season=autumn