This is the "claw" at the end of a Ghostbusters Neutrona Wand. The model is a more refined version than what you see in the film, which was a trigger/claw welded to a ring. This version is meant to look like a claw machined from a solid piece of aluminum. There is a smooth fillet between the claw and ring. This feature is easily modified to create a version with a weld line.

I designed this with ABS shrinkage in mind, so the ring is 25.5mm ID for a snug fit over a standard 1in OD tube.

#thangs100k