Matchstick - a Blender add-on for structural analysis of timber log structures

About

Matchstick is a Blender Addon for structural analysis of 3D frames and trusses. Its primary use is for quickly generating bent structures for visual purposes - for instance, for modelling light structures that are made of wood / bamboo etc, and are bending under their own weight.
You want to model a decrepit old log cabin in the woods, skewing down from the steady unforgiving winds? A simple beach shack made of bamboo sticks? If you ever want to give any kind of frame/truss that bending look of an old decrepit improvised hut that's just about to collapse, Matchstick is for you.

How does it work?

Each structural member is a wood log beam - i.e. treated as having a circular cross-section, and with hardcoded values for material properties such as Young's modulus etc. The input is a coarse mesh where each edge stands for a structural member - such as a single wood log beam. Each vertex of the input mesh stands for a joint. The members are modeled as bent structures but the joints are assumed to be firm enough to withstand torque forces.