Enn'llien SteamTank (Bard tank/Doof engine) miniature for RPG

In a Pathfinder RPG campain, i'm playing a Half-elf Gunsligner/gunsmith and inventor named Enn'll Nothridge who's life work is to create a serie of steam powered medieval mobile artillerie ( in other words, tanks) which are named after him.

This one is equiped with no weapons, but a steam powered pipe organ and 2 bell arrays and a smoke screen horn. It is a tank for Bards that increasses the range of a bard's abilities dramatically across a large area of the battlefield. The first of this mod