Something I cooked up a year ago, but never posted here.
Leonardo of Miragliano's Ribauldequin, together with a new and improved Bronzino's Galloper Gun:

The Ribauldequin is based on Leonardo da Vinci's own design:

And inspired by some real-life efforts:


...and lovingly crafted out of Plastruct styrene sheets, sticks, and tubes (with a figure for scale):


Now I just need to paint these bad boys, put them on scenic bases and come up with a suitably dashing crew!