% style `blobs': every module is an irregular round blob
\def\@fancy@qr@blobb{%
\@tempcnta=\z@
\roundjoin
\roundcap
\moveto(.5,.5)
\loop
\advance\@tempcnta by 30
\edef\rad{\fpeval{.3+.2*abs(rand())}}%
\lineto(\fpeval{cos(\@tempcnta)*\rad+.5},\fpeval{sin(\@tempcnta)*\rad+.5})
\ifnum\@tempcnta<360\relax
\repeat
\fillpath
}%
\newpattern0000{\@fancy@qr@blobb}%
\newpattern1000{\@fancy@qr@blobb}%
\newpattern0001{\@fancy@qr@blobb}%
\newpattern0100{\@fancy@qr@blobb}%
\newpattern0010{\@fancy@qr@blobb}%
\newpattern1100{\@fancy@qr@blobb}%
\newpattern1010{\@fancy@qr@blobb}%
\newpattern0101{\@fancy@qr@blobb}%
\newpattern0011{\@fancy@qr@blobb}%
\newpattern1001{\@fancy@qr@blobb}%
\newpattern0110{\@fancy@qr@blobb}%
\newpattern1111{\@fancy@qr@blobb}%
\newpattern0111{\@fancy@qr@blobb}%
\newpattern1011{\@fancy@qr@blobb}%
\newpattern1101{\@fancy@qr@blobb}%
\newpattern1110{\@fancy@qr@blobb}%
\fancyqrset{finder=circle}