i got a commission to build a Z-6 Rotary Canon about 2 weeks ago. I completed it today, along with a second one I built for myself. The image links are below. I and currently selling them on facebook and eBay if anyone is interested.
https://imageshack.com/i/eyRparlzj
https://imageshack.com/i/pdIp1MWsj
https://imageshack.com/i/hljmKI3bj