If this helps, here's the terminal output when trying to run Pd.GEM:
dyld: /Applications/Pd-0.38-2.app/Contents/Resources/Scripts/../bin/pd Undefined symbols: __ZN8CVector39normalizeEv __ZN8CVector3C1Efff __ZN8CVector3C1Ev __ZN8CVector3miES_ __ZN8CVector3plES_ _orb_close _orb_getstatus _orb_init _orb_open _orb_set_nullregion pd_gui: pd process exited
wes