Qcad library location

apt-cache depends qcad

qcad

 Depends: libc6
 Depends: libfontconfig1
 Depends: libgcc1
 Depends: libice6
 Depends: libjpeg62
 Depends: libpng12-0
 Depends: libqt3-mt
 Depends: libsm6
 Depends: libstdc++6
 Depends: libx11-6
 Depends: libxext6
 Depends: zlib1g
 Suggests: partlibrary
 Recommends: qcad-doc

factor@factor-laptop:~$