Does anyone know of any patches / abstractions / libraries for playing with modal synthesis in pd?

In particular I'm looking at this paper: http://www.cs.ubc.ca/~kvdoel/publications/modalpaper.pdf

The only implementations I'm really aware of is the old STK (https://ccrma.stanford.edu/software/stk/) - which actually isn't maintained for pd or running on modern systems as far as I can tell. Some of it made it's way to faust and I've had some luck cross - compiling, but I imagine there might be better / newer stuff around...