LotP - siege weapon : Ballista

This is one of the siege weapon, the ballistae, able to throw powerful and big arrows on enemies behind walls!
Need to be supplied for firing, each ballistae can stock 2 volley of arrows on his side.
Part of the game Lure of the Prophets, if you want more info seek for
https://www.thingiverse.com/thing:2947995

is a work in progress project so stay tuned if you are interested!