Spellcrow gives you more options to customize your minis with their new sonic/steam torsos over in their webshop.
From the release:
Kit contains 10 Space Knights Sonic/Steam torsos ideal for use with 28mm scale models. Perfect for converting figures for different games. The product is high quality cast resin. Needs to be cleaned and painted.
design and sculpting: Marek Rurarz and Piotr Pirianowicz