The Cardassian Torture Actuator used on Picard in Star Trek TNG S6 episode Chain of Command part 2.
Can be printed solid, or hollow, both with separate or baked-in details, which means THERE...ARE...FOUR...Print Options. With so many versions to print, by the time you are done, you'll think there are 5!
Files are actual size. 135mmx90mm approx.
*Personal use only.