  Dualities have been known to map space trusses and plate structures to each
other since the 1980-s. Yet the computational similarity of the two has not
been used to solve the unfamiliar plate structure with the methods of the well
known truss. This paper gives a method to find the forces and displacements of
a plate structure with rigid plates and elastic edges, using a dual truss. It
is applicable for both statically determinate and indeterminate structures,
subjected to both statical and kinematical loads.
