A strange new one is the Open Platform Grip, a 3D printed gun-style grip that lets you point and shoot a “camera pistol” to take pictures.
The creators say that the design is perfect for the viewfinder-less Olympus Air, allowing photographers to aim and frame shots without having to look at any display.
You can even add a tactical sight to the top as a composition aid:
Here are some sample photos captured with the camera and grip:
The grip also allows you to carry your camera around on a gun holster-style attachment on a belt.