just to answer my own question - it seems that i can use localDB for this.
but how about hedges?
in sketchup i create a component that has the size of the hedge element, then i copy this component around and link a octane proxy file - works great.
but how do the same when i use the standalone?
HOME octane standalone v3.07 | octane plugin for sketchup 3.07.0.14 | sketchup pro 2017 17.2.2555 64 bit | windows 10 pro 10.015063 build 15063 | i7-6700k @4.0 GHz | 32gb ram | 2x gtx 1070 | nvidia driver 382.33