the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you ever wondered how these worked, why not print a model?

By the end of its production run in the early 2000s, the Mazda RX-7 rotary engine made as much as 276 hp. The RX-8 followed with another chapter for the Wankel engine. The Mazda RX-8 rotary engine ...